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Summertime Safety Tips

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    Posted: 13 Jul 2008 at 7:53am
Surviving The Summer Heat ....
July 13, 2008 - www.IamIraqi.com
 
 
The summer season is definitely here. During the hot summer months, it is critical to think about preventing dehydration and other heat-related illnesses, as well as addressing the many other hazards that summer brings. Did you know that hundreds of people die every year of heat-related illnesses? What's even worse is that most of these deaths are preventable. We are all victims of the heat, which is why it is imperative that we all understand the importantance of staying hydrated and the seriousness of heat-related illnesses.
 
The high temperatures during the summer months can break down the body's normal responses, causing fatigue, dehydration, heat exhaustion and heat stoke. When the body's cooling system shuts down, body temperature rises. Initally, the symptoms of heat exhaustion include thirst, blurred vision, fatigue and some cramping in the legs. If ignored, heat exhaustion can quickly progress to heat stroke. The symptoms of heat stroke are much more serious and include dizziness, headaches, nausea, rapid heartbeat, vomiting, and a high body temperature. In severe cases, failure to acknowledge these symptoms can lead to damage of the internal organs, and possibly death.

Individuals with existing health conditions such as diabetes, obesity, heart disease, and even certain medications, are at a higher risk during the hot months. People 65 and older and children are especially vulnerable.

Avoiding the sun and the heat is impossible; we cannot hibernate in the house until October. Therefore, protection and prevention in our best defense:

• Monitor weather forecasts on TV, radio, and online. These reports describe hot and potentially dangerous weather in terms like 'heat watch', 'heat warning', 'heat wave', or 'air-quality advisory'.

• Always wear a hat and avoid direct exposure to the sun between the hours of 10 a.m. and 5 p.m. Sunglasses are also a MUST. 

• Remember to carry a water bottle. Dehydration is the #1 summertime danger.

• If you have a medical condition, such as diabetes, asthma, drug or food allergies, a heart condition, or are taking certain medications, you should wear a MedicAlert ID bracelet. If you prefer not to wear an ID bracelet, consider carrying a medical ID card in your wallet. If ever in an emergency situation, the bracelet, or card, will inform others about your medical condition.

High temperatures are not the only worries that we should have during the summer. Outdoor safety is also important as many people increase their outdoor activities during this season. We also need to think about the various vegetation and airborne particles that can cause us harm. Another thing to pay strict attention to is our skin and over-exposure to the sun. This is just an introduction to the hazards of summer and the above are just a few basic tips for battling the scorching summer heat. I will continue to research and post many tips for staying safe. Please feel free to share any tricks and strategies of your own. For now, enjoy the long, hot days, and always remember to take extra precaution from the heat.
 
 
 
 
 
 
 
 
 
 
 
 


Edited by Nada - 13 Jul 2008 at 8:08am
A woman is like a tea bag. You never know how strong she is until she's in hot water.

~~Eleanor Roosevelt
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Post Options Post Options   Quote Nada Quote  Post ReplyReply Direct Link To This Post Posted: 13 Jul 2008 at 9:23am
Staying Cool and Hydrated
July 13, 2008 - www.IamIraqi.com
 
 
Exercise is often done outdoors; along with activities such as gardening, sports, grilling and simply relaxing. Physical activity is just as important during the hot months of summer as it is during the cooler seasons. However, outdoor activities often place millions of people all over the world at serious risk. The risk is greatest for 4 groups of our population. According to the American Medical Athletic Association, those most at risk are the following:
 

Children: When summer vacation from school arrives, most children spend a great deal of time outdoors being active. Because children have a larger surface area in relation to body mass, they often gain heat faster than adults when the outside air temperature is higher than body temperature.

Athletes and exercisers: People who spend hours training and competing in the hot summer sun often do not have an adequate intake of fluids to make up for the loss of fluids caused by their activities.

Outdoor workers: Workers such as landscapers, construction crews, police officers, postal employees, and others who spend most of their days in the heat often have little time for bathroom breaks or for drinking fluids, as a result these workers may not consume enough fluids during their workdays.

Elderly people: There is a fine line between how heat affects most adults and how is can affect the elderly in a more profound way. It is extremely important for senior citizens to practice a gradual acclimatization to heat that puts emphasis on hydration.

 
Until I researched this topic, I had no idea what "acclimatized" meant in the medical world, nor could I have possibly guessed the significance that it plays to our health. Many of us, including myself, have often thought, "I'll be fine. The heat doesn't bother me. Nothing will happen to me. I'm used to the heat. What could possibly happen?" Well, we may have been able to convince ourselves, but nothing could be further from the truth. Staying hydrated is vital to good health. And many things can result from over exposure to the heat.
 
In order for your body to perform normally, without overheating, in hot and humid weather, it must first become acclimatized to the heat. Acclimatized simply means that your body needs to get used to the condition that you are exposing it to before it can function normally. How does one acclimatize their body to heat? It takes about 10 to 14 days of working or exercising in the heat for your body to adjust or become acclimatized.

Staying healthy in the summer heat is not difficult, it actually only requires becoming educated about your body's need for fluids.

 
The information below was taken from both the American Medical Association and Prevention.com.
 
 
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Drinking for Hydration

The best time to consume fluids is before you are thirsty -- by the time you are thirsty, your body is already dehydrated. It's best to drink on a schedule when it is hot outside. Avoid drinks containing caffeine or alcohol while in the sun or heat. These types of drinks stimulate the production of urine thereby promoting dehydration. The best drinks are water, or one of the many flavored sports drinks that are on the market.

According to Dr. Nequin, "Research clearly shows that a properly formulated sports drink like Gatorade combines flavor and sodium to encourage people to drink more than they would when they only have access to water. Sports drinks help to replace some of the electrolytes you lose through sweat and provide carbohydrate energy to working muscles."

Adults need 17 to 20 ounces of fluid before beginning activity, as well as an additional 7 to 10 ounces every 10 to 20 minutes during activity. Your fluid needs don't stop when your activity is over -- you should consume 24 ounces of fluid within the first two hours after outdoor activity.

Children need 4 to 8 ounces of fluid before beginning outdoor activities and 5 to 9 ounces every 20 minutes while they are outside. Once kids return from outside play or activity, they also need to consume 24 ounces of fluids within the first two hours after they stopped their activities.

Did you know? One adult-size gulp of fluid equals one ounce of fluid, and one child-size gulp of fluid equals one-half ounce of fluid.
 

Signs and Symptoms of Dehydration

  • Dry lips and tongue.
  • Headache.
  • Weakness, dizziness, or extreme fatigue.
  • Concentrated urine that appears darker than normal.
  • Nausea.
  • Muscle cramps.

More Hot Weather Tips

  • While pouring water over your head might feel good; it does not have any affect on your core body temperature -- make sure you put plenty of water and other fluids into your body.

  • Always wear light-colored and loose-fitting clothing.

  • Whenever you get a chance, take a break in the shade. It's important to remember that anytime a person who has been exposed to heat becomes disoriented or unconscious, immediate medical attention for that person must be sought.
 
 
Are You Getting Enough Water?
Is being tethered to a water bottle 24/7 really necessary, or are there other ways to stay hydrated?
updated July 2008
 

Our obsession with water is based in logic and sound science but, honestly, there's so many other ways to stay hydrated. Options for fluid replenishment even go beyond the glass because many foods can legitimately plus up your daily liquid requirement.

Fluids are essential for a host of critical body needs such as transporting nutrients into cells, cushioning joints, eliminating wastes, making saliva and regulating body temperature to name but a few. When body fluid levels get too low, dehydration sets in often accompanied by headaches, fatigue and muscle cramps.

To keep your levels up to par, the Institute of Medicine of the National Academy of Science has the following fluid recommendations, but these, too, will vary depending on age, activity level and climate conditions, such as humidity, altitude and temperature.
Men: 16 cups/day
Women: 13 cups/day

Because most Americans get 80% of their fluids from beverages and about 20% from foods, those government guidelines actually mean you should be drinking the following:
Men: 13 cups/day
Women: 9 cups/day

 
Liquid Misconceptions
 
Many people never consider food as contributing to the fluid fill line. Best bets in this category include soups, stews, sauces, salads and other high moisture produce instead of more dry, dense foods such as breads and starchy vegetables. Caffeine still carries the stigma of being dehydrating, but this is not the case for all people. More recent studies have found that coffee, tea, colas and other caffeine-containing drinks do not negatively affect hydration for those who routinely drink caffeinated beverages.
 

What to Drink

Dr. Ann Grandjean, hydration expert, sports nutritionist and president of The Human Nutrition Center at the University of Nebraska Medical Center, suggests that people think of water as a nutrient (which it is) that can be obtained from multiple sources, just like vitamins and minerals which are found in various foods. So whether it's drinking water, juice, tea, countless other beverages or high moisture foods, it all physiologically does the same job for the body. But with so many beverages to choose from, what's the best choice? Here's a snapshot of some beverage categories that provide a wide range of choice whether your goal is nutrition, hydration or pure refreshment.
100% Fruit Juices: provide vitamins and minerals with carbohydrates derived from the naturally occurring fructose (fruit sugar) in fruits; no added sugar; Average 110 calories/8 ounces
Sports Drinks: provide electrolytes (sodium and potassium) to enhance fluid replenishment; helpful for endurance exercises but really not necessary for everyday use; Average 60 calories/8 ounces
Energy Drinks: provide added energy mostly in the form of caffeine but often with ginseng and other herbal additions; Average70 milligrams caffeine/8 ounces
Carbonated Soft Drinks: provide calories and little else; diet versions may use a variety of non-nutritive sweeteners; regular soda average 110 calories/8 ounces; diet soda average 0 calories.
Fitness and Flavored Waters: fitness waters have assorted added nutrients in varying levels while flavored waters tend to be simply that–flavor-enhanced with no other nutritional benefit Average 0-30 calories/8 ounces
 
 
 
                             
 
 
 

Sources:
 
 
 
 
 
 
 


Edited by Nada - 13 Jul 2008 at 7:40pm
A woman is like a tea bag. You never know how strong she is until she's in hot water.

~~Eleanor Roosevelt
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wooooooooohoooo... Nadawi.. you rock!
 
Excellent articles... proud of you... I hope that you'll accept my offer of having your articles published in a seperate section on our website.

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Post Options Post Options   Quote Nada Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2008 at 9:29pm
Originally posted by Moh

wooooooooohoooo... Nadawi.. you rock!
 
 
 
 
LoooooooL ...... I haven't rocked in a long time LOL ....  Thanks for encouraging me .... and for being proud!!!
 
 
 
 
 
A woman is like a tea bag. You never know how strong she is until she's in hot water.

~~Eleanor Roosevelt
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Post Options Post Options   Quote Nada Quote  Post ReplyReply Direct Link To This Post Posted: 14 Jul 2008 at 9:42pm
Heat Exhaustion Instruction Sheet
 
During hot, humid weather, the body's internal temperature can rise and can result in heat exhaustion and heatstroke. If not quickly treated, heat exhaustion can progress to heatstroke, which requires immediate emergency medical care and can be fatal.

SIGNS AND SYMPTOMS:

Heat Exhaustion:

  • severe thirst
  • muscle weakness
  • nausea, sometimes vomiting
  • fast, shallow breathing
  • irritability
  • headache
  • increased sweating
  • cool, clammy skin
  • elevation of body temperature to more than 104 Fahrenheit (40 Celsius)

Heatstroke:

  • severe, throbbing headache
  • weakness, dizziness, or confusion
  • difficulty breathing
  • decreased responsiveness or loss of consciousness
  • may not be sweating
  • flushed, hot, dry skin
  • elevation of body temperature to 104 Fahrenheit (40 Celsius) or higher

WHAT TO DO:

If the child has a temperature of 104 Fahrenheit (40 Celsius) or more, or shows any symptoms of heatstroke, seek emergency medical care (911) immediately. For adults, a temperature over 102 degrees indicates danger. In cases of heat exhaustion and while awaiting for help, do the following with possible heatstroke:

  1. Bring the person indoors or into the shade immediately.
  2. Undress the individual.
  3. Have the individual lie down; elevate feet slightly.
  4. If the individual is alert, place in cool (not cold) bathwater, or sponge-bathe the person repeatedly. If outside, spray the individual with mist from a garden hose.
  5. If the person is alert, give frequent sips of cool, clear fluids (clear juices or sports drinks are best).
  6. If the individual is vomiting, turn his or her body to the side to prevent choking.
  7. Monitor temperature.

Think Prevention!

Air conditioning is the No. 1 protective factor against heat illness. If you don't have air conditioning, spend time in public facilities, such as libraries and malls that have air conditioning. Reduce strenuous activities or do them during early mornings and evenings when it's cooler. If you're outside for long stretches of time, carry a water bottle, drink fluids regularly, and don't push your limits. People who play sports should wear light, loose-fitting clothes and drink water or sports drinks before, during, and after activity. If you see someone experiencing heat illness, have the person lie down in a cool place and elevate the legs. Use water, wet towels, and fanning to help cool the person down until emergency help comes.
 
 
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult a doctor. Review this with a doctor prior to use.
 
 
 
 
 
A woman is like a tea bag. You never know how strong she is until she's in hot water.

~~Eleanor Roosevelt
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Post Options Post Options   Quote Nada Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jul 2008 at 12:04pm
Handling Food Safely
July 15, 2008 - Written exclusively for www.IamIraqi.com
 
 
Summer is a social season. It is the time of year we uncover our grills and patio furniture and enjoy the wonderful weather with friends and family. Each year we hear the same song and dance about handling food properly during the hot summer months. Handling food carefully because of foodborne illness -- also referred to as "food poisoning" -- is important anytime of the year, but even more critical in warmer weather. Foodborne illnesses increase during the summer!!!!!
 
First, bacteria are present everywhere in the environment; in soil, air, water, and in the bodies of people and animals. Bacteria grow faster in the warm summer months. Most foodborne bacteria grow fastest at temperatures from 90 to 110 °F. Because bacteria need moisture to flourish; summer is the prime season because of its heat and humidity. Bacteria quickly multiply on food, causing a sick feeling that at times can result in food poisoning.
 
The second reason can be referred to as the "people causes". Because outdoor activities increase, grilling, picnics, camping, etc, we lose the safety of our kitchens. Cooking outdoors lacks thermostat controlled cooking, refrigeration and washing facilities.
 
Food safety is the most important factor in cooking; it doubles in importance when cooking outdoors and triples when cooking outdoors in the summer heat. It doesn't matter how delicious or complicated the food is, if the food makes people sick because of improper cooking or handling, all of your efforts will go down the drain. Since we cannot tell if a food is safe to eat by how it looks or tastes, proper storage, cooking and handling are the only ways to ensure safe food.
 
According to the United States Department of Agriculture (USDA), food safety can be summarized by four simple words: COOK .... SEPARATE .... CLEAN .... CHILL!! Bacteria is inevitable. Fortunately, our immune systems are programmed to fight off many bacteria. However, food poisoning is very serious and in most cases it is not an illness that the body can fight naturally, nor painlessly. Food poisoning is VERY painful. By remembering CSCC - Cook, Separate, Clean, Chill - we can eliminate the worries and enjoy our time outdoors. 
 
Below is an explanation of what CSCC means and how to apply the tips to not only outdoor cooking, but also everyday cooking. Cleanliness is one of my pet-peves; I take every precaution in the kitchen, regardless if I'm cooking indoors or out. Whenever I am cooking outdoors, I always have a plastic water bottle filled with dish soap and warm water. I use it to wash my hands after handling food. I carry another bottle filled with fresh water to rinse my soapy hands.
 
 

Clean - Separate - Cook - Chill

CLEAN
Wash hands and surfaces often. Bacteria can spread and get onto cutting boards, utensils, and sponges.

 
Unwashed hands are a prime cause of foodborne illness.
  • Whenever possible, wash your hands with hot, soapy water before handling food and after using the bathroom, changing diapers, and handling pets.
  • When eating away from home, find out if there's a source of clean water. If not, bring water for preparation and cleaning. Or pack clean, wet, disposable washcloths or moist towelettes and paper towels for cleaning hands and surfaces.
  • Wash your cutting boards, dishes, utensils and counter tops with hot soapy water after preparing each food item and before you go to the next food.
  • Use plastic or other non-porous cutting boards. Run through the dishwasher or wash in hot soapy water after use. If you are picnicing, store dirty dishes in separate storage bags or coolers. Do not place dirty dishes in areas that contain food.
  • Consider using paper towels to clean up surfaces. Avoid using sponges.

 

SEPARATE
Do not cross-contaminate. Cross-contamination is how bacteria can be spread from one food product to another. This happens when handling raw meat, poultry and seafood. Keep all of their juices away from ready-to-eat foods.
 
Cross-contamination during preparation, grilling, and serving food is a prime cause of foodborne illness.
  • When packing the cooler chest for an outing, wrap raw meats securely; avoid raw meat juices from coming in contact with ready-to-eat food.
  • Wash plates, utensils, and cutting boards that held the raw meat or poultry before using again for cooked food. It is best not to use anything that contained raw foods until you are able to wash them at home!
  • Separate raw meat, poultry and seafood from other foods in your refrigerator.  
  • Always wash hands after handling raw meats, poultry or seafood.
 
 
COOK
Cook to proper temperatures. Foods are properly cooked when they are heated for a long enough time and at a high enough temperature to kill the harmful bacteria that cause foodborne illness.
 
Cooking food properly kills harmful bacteria that cause foodborne illness.
  • Take your thermometer along. Meat and poultry cooked on a grill often browns very fast on the outside, so be sure that meats are cooked thoroughly. Check them with a food thermometer.
  • Cook hamburger and other ground meats (veal, lamb, and pork) to an internal temperature of 160 °F, and ground poultry to 165 °F.
  • Cook steaks and roasts that have been tenderized, boned, rolled, etc., to an internal temperature of 160 °F for medium and 170 °F for well-done. Whole steaks and roasts may be cooked to 145 °F for medium rare.
  • Whole poultry should be cooked to 180 °F in the thigh; breast meat to 170 °F.
  • Cook meat and poultry completely at the picnic site. Partial cooking of food ahead of time allows bacteria to survive and multiply to the point that subsequent cooking cannot destroy them.
  • Fish should be opaque and flake easily with a fork.
  • Bring sauces, soups and gravy to a boil when reheating. Heat other leftovers thoroughly to at least 165° F.
 
 
CHILL
Refrigerate promptly. Refrigerate foods quickly because cold temperatures keep harmful bacteria from growing and multiplying. Set your refrigerator no higher than 40° F and the freezer unit at 0° F. Check these temperatures occasionally with an appliance thermometer.
 
Holding food at an unsafe temperature is a prime cause of foodborne illness. Keep cold food cold!
  • Cold refrigerated perishable food like luncheon meats, cooked meats, chicken, and potato or pasta salads should be kept in an insulated cooler packed with several inches of ice, ice packs, or containers of frozen water.
  • Consider packing canned beverages in one cooler and perishable food in another cooler because the beverage cooler will probably be opened frequently.
  • Keep the cooler in the coolest part of the car, and place in the shade or shelter, out of the sun, whenever possible.
  • Preserve the cold temperature of the cooler by replenishing the ice as soon as it starts melting.
  • If a cooler chest is not an option, consider taking fruits, vegetables, hard cheeses, canned or dried meats, dried cereal, bread, peanut butter, crackers, and a bottle of refreshing beverage.
  • Take-out food: If you don't plan to eat take-out food within 2 hours of purchase, plan ahead and chill the food in your refrigerator before packing for your outing.
  • Never defrost food at room temperature. Thaw food in the refrigerator, under cold running water or in the microwave. Marinate foods in the refrigerator.
  • Divide large amounts of leftovers into small, shallow containers for quick cooling in the refrigerator.
  • Do not pack the refrigerator. Cool air must circulate to keep food safe.

 

Have leftovers?

Any food left out of refrigeration for more than 2 hours may not be safe to eat. Suring the summer, at temperatures of 90 °F or above, food should not be left out for more than 1 hour. Be safe; place leftovers back on ice once you finish eating.

Always remember ........ When in doubt, throw it out!!!!!!!!

 
The summer months are a time for fun. However, no matter how involved we become in the joys and thrills of summer, it is most important to always make safety our #1 priority.
 
 
 
 
 

 
 


Edited by Nada - 15 Jul 2008 at 3:30pm
A woman is like a tea bag. You never know how strong she is until she's in hot water.

~~Eleanor Roosevelt
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Post Options Post Options   Quote Nada Quote  Post ReplyReply Direct Link To This Post Posted: 15 Jul 2008 at 4:05pm
Food Poisoning: Diagnosing and Preventing
 
 
Illness caused by contaminated or improperly prepared foods cause upto 81 million people to get sick each year; with almost 9000 of these illnesses leading to death. Children are among the people most at risk for serious illness from food poisoning.
 
Almost any food can become contaminated by a virus, bacteria, or parasite and cause food poisoning. Foods can also make you sick if they are contaminated with pesticides or other toxins.
 
 

Symptoms of Food Poisoning

The most common symptoms of foodborne illness are:
  • abdominal pain and cramps
  • nausea
  • vomiting
  • diarrhea
  • fever
  • dehydration - which can lead to kidney failure and possibly death.
 
Victims need to call 911 if they have any of the following symptoms, with or without gastrointestinal symptoms:
  1. Chest pain
  2. Signs of shock
    • weak or rapid pulse
    • shallow breathing
    • cold, clammy, pale skin
    • shaking or chills
  3. Signs of severe dehydration
    • dry mouth
    • sticky saliva
    • decreased urine output
    • dizziness
    • fatigue
    • sunken eyes
    • low blood pressure
    • increased heart rate and breathing
  4. Confusion or difficulty reasoning.
 
 
 
Prevent Food Poisoning
 
To help prevent your family from getting sick from eating contaminated foods, follow these guidelines when buying and preparing meals:
  • Keep your refrigerator at or below 4 degrees Farenhiet and your freezer at 0 degrees.
  • When shopping for foods, quickly return home and refrigerate perishable foods and place bags that contain meats, poultry, fish and eggs separately from other foods to avoid contamination.
  • Do not buy or use foods without intact packaging.
  • Do not buy or use cans that have been dented or that are bulging.
  • Consider using a plastic cutting board to prepare foods, since bacteria can become trapped in the grooves of wooden cutting boards.
  • Wash your hands for twenty seconds with soap and warm water before preparing foods, before you begin to prepare a new food and again before you serve the food.
  • Avoid cross-contamination of foods by washing utensils, cutting boards, and all kitchen surfaces that come in contact with raw meats and poultry before preparing a new food with them. Also be careful to use a separate plate for cooked foods then the one you used when the food was still raw.
  • Rinse fruits and vegetables before serving or eating.
  • Thaw and marinate foods in the refrigerator, instead of leaving them out at room temperature.
  • Wash dishcloths in hot water after using them to clean up after raw meats and poultry.
  • Keep pets away from all areas where you prepare foods.
  • Thoroughly cook foods to kill germs and consider using a meat thermometer to ensure proper cooking temperatures. Red meats should be cooked to an interior temperature of 160 degrees F and make sure the inside is brown or gray to make sure it is fully cooked. Hamburgers especially should not be served rare. Poultry should be cooked to an interior temperature of 180 degrees F and until the juices run clear.
  • Refrigerate leftovers and do not leave foods out at room temperature for more than two hours.
  • Throw away partially eaten foods and beverages.
  • Thoroughly reheat leftovers before eating.
  • Do not eat raw eggs.
  • Do not drink unpasteurized milk or fruit juices (especially apple cider that is not pasteurized or heat treated).
  • Do not use foods or beverages that taste, look or smell unusual.
  • If you are unsure if a food is still good, be safe and dispose it.
 
 
 
 
A woman is like a tea bag. You never know how strong she is until she's in hot water.

~~Eleanor Roosevelt
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Post Options Post Options   Quote Nada Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jul 2008 at 4:18pm
 

About sun exposure

Excessive sun exposure over time can be harmful to the skin because the sun emits an invisible form of radiation called ultraviolet (UV) radiation. The UV rays present in sunlight can penetrate the skin and alter the structure of its cells. The ultraviolet radiation received from sun exposure is also present in the light exposure received from sun lamps and tanning beds.

The three types of UV radiation include:

  • Ultraviolet A (UVA). The most abundant source of solar radiation at the surface of the earth, UVA rays can penetrate beyond the surface of the skin (epidermis) to the middle layer of skin (dermis).
The%20Skins%20Layers
 
  • Ultraviolet B (UVB). These rays are less plentiful at the earth’s surface than UVA rays because the ozone layer (the protective layer in the earth’s atmosphere) absorbs a large portion of UVB rays. UVB rays penetrate only the epidermal skin layer. However, they are the most harmful form of ultraviolet radiation.

  • Ultraviolet C (UVC). Although these solar rays would be especially harmful to the skin, they are completely absorbed by the ozone layer and never reach the earth’s surface.
  •  

    UV rays are not only present on bright, sunny days. They are emitted on cloudy and hazy days as well. In addition, UV rays reflect off surfaces such as water, sand, concrete and snow.

     
    When UV rays penetrate the epidermis, their energy interacts with cells called melanocytes to produce a colored substance called melanin. Melanin produces the darker coloring of skin. The new melanin eventually travels toward the surface of the skin to protect it from UV rays and the skin becomes darker, or tans. Some physicians believe that tanning is the skin’s response to injury because it occurs after UV rays from the sun have damaged and killed some skin cells.

    Eventually, the UV rays will cause the skin to burn. Sunburn is often accompanied by redness, swelling and pain in the affected region(s). If the sunburn is particularly severe, the damaged skin may peel away and be replaced by new skin cells. Although sunburn symptoms diminish over time, the resulting skin damage will remain. Severe sunburn can even alter some of the genetic structure of skin cells. This may lead them to create new cells that are damaged, which may eventually lead to skin cancer.

    Some individuals tan very easily and rarely burn, whereas others burn with minimal sun exposure and rarely tan. Numerous factors determine whether a person tans or burns after sun exposure. These include skin type, amount of recent sun exposure, time of year and sun strength. The American Academy of Dermatology (AAD) and the U. S. Food and Drug Administration (FDA) use a six-level scale to classify an individual’s susceptibility to sunburn:

    Skin Type

    Tanning/Sunburn History

    I

    Sensitive skin that always burns and never tans.

    II

    Skin that tans minimally and burns easily.

    III

    Skin that gradually tans to a light brown color and burns moderately (average Caucasian).

    IV

    Skin that always tans to a medium brown color and burns occasionally (olive skin).

    V

    Skin that tans profusely to a dark brown color and rarely burns (brown skin).

    VI

    Insensitive skin that is deeply pigmented and never burns (black skin).

     

    Although everyone is at risk for sun damage, the following factors increase an individual’s likelihood of sustaining damage, particularly skin cancer:

    • Fair skin
    • Light-colored eyes
    • Light-colored hair
    • Lack of sunscreen protection
    • Having had one or more serious sunburns
    • Many moles, birthmarks or freckles
    • Playing or working outdoors
    • Frequent sun exposure during childhood
    • Personal or family history of skin cancer
    • Frequent tanning or use of sun lamps or tanning beds
    • Living in a tropical or subtropical climate
    • Living at high altitudes

    Taking certain medications, including specific forms of antibiotics, nonsteroidal anti-inflammatory drugs, tricyclic antidepressants, diuretics, sulfonylureas and immunosuppressants, can also increase the risk of sun damage by increasing photosensitivity (sun sensitivity) and burning.

    It is recommended that individuals have regular physical examinations by a dermatologist to detect or determine the risk of skin cancer and other damage.

     
     
    Potential risks of sun exposure
     
    The effects of sun exposure are cumulative, meaning that damage from the sun accumulates over time. Sun lamps and tanning beds can also produce similar skin damage. Too much sun over time can result in the following:
    • Sunburn. Excessive acute sun exposure may result in sunburn, which is characterized by redness of the skin that may be accompanied by dryness, swelling, pain or tenderness, blistering, nausea and/or fever.

    • Premature aging. Excessive sun exposure over time can lead to skin changes known as photoaging. Individuals who sunbathe regularly often show signs of photoaging prior to 30 years of age, whereas individuals with less sun exposure typically exhibit changes at 40 years of age or older. These photoaging changes may include:

      • Weakening of the skin’s connective tissues (solar elastosis), which results in reduced strength and elasticity

      • Thinning and increased transparency of the skin

      • Deep wrinkles

      • Rough, dry skin

      • Uneven pigmentation

      • Fine, red veins on the nose, cheeks and ears

      • Freckles (mainly on the face)

      • Macules or solar lentigines (also called age or liver spots) on the upper back, chest, arms, back of hands and face

      • Dark brown lesions on the lips (labial lentigos)

    • Purpura. Excessive sun exposure can cause a person to bruise more easily.

    • Comedones. Exposure to the sun may lead to the formation of blackheads and whiteheads in sun damaged areas.

    • Benign skin tumors. Excessive sun exposure can also result in the formation of several types of skin lesions. Seborrheic keratoses are tan, brown or black lesions that vary in size and have a waxy appearance and are noncancerous.  Actinic, or solar keratoses, are patches that range from brown to dark pink in color and appear rough and scaly. Actinic keratoses are often considered precancerous.

    • Skin cancer. According to the U.S. Centers for Disease Control and Prevention (CDC), excessive sun exposure (including severe sunburns) over time appears to be the most significant environmental factor in the development of skin cancer. It affects one out of every five Americans, according to the Environmental Protection Agency (EPA). This disease typically affects the areas that receive the most sun exposure, including the face, ears, neck, forearms and hands.
    • Sun sensitivity (photosensitivity). For some individuals, exposure to the sun may result in an allergic reaction. Signs of sun allergy may include bumps on the skin, hives, blisters or blotchy, red areas. Certain cosmetics, perfumes and medications may also make individuals sensitive to sun exposure.

    • Immunological problems. Regardless of an individual’s susceptibility to sunburns, sun exposure can suppress the immune system and increase an individual’s vulnerability to infection and cancers. Diseases that affect the immune system (e.g., herpes simplex virus, lupus) can become worse with exposure to sun.

    • Eye damage. Excessive exposure to ultraviolet (UV) radiation may burn the cornea of the eye and increase the risk of developing a cataract (condition in which the lens of the eye becomes cloudy). It may also cause macular degeneration, the deterioration of part of the retina of the eye, which may result in blindness.

     

    Protection from sun exposure
     
    Protection from the sun’s ultraviolet (UV) rays is important year round, not merely during the summer months. Adults and children should practice sun safety at an early age. Regularly applying sunscreen to a child can help them develop good sun habits they will continue to use for the rest of their lives.
     
     
     
    Questions for your doctor on sun exposure
     
    Preparing questions in advance can help patients to have more meaningful discussions with their physicians. Patients may wish to ask their doctors the following questions about sun exposure:
    1. Is tanning safe for someone with my skin type?

    2. How can I protect my skin from sun damage?

    3. What SPF should my sunscreen contain?

    4. Am I at risk for skin cancer?

    5. Am I at risk for premature aging?

    6. Do any of my current medications put me at increased risk for sun damage?

    7. Can you show me how to perform self-examinations of the skin?

    8. How often should I perform self-examinations of my skin?

    9. Will staying out of the sun increase my risk of vitamin D deficiency? Should I take supplements or make changes to my diet?

    10. Are there any steps I can take to reverse the damage I have already caused my skin?
     
     
     
     
     


    Edited by Nada - 21 Jul 2008 at 5:09pm
    A woman is like a tea bag. You never know how strong she is until she's in hot water.

    ~~Eleanor Roosevelt
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    Post Options Post Options   Quote Nada Quote  Post ReplyReply Direct Link To This Post Posted: 21 Jul 2008 at 5:03pm

    Steps To Keep Skin Safe In And Out Of The Sun

     
     
    Everyone is at risk for skin cancer, but especially people with light skin color, light hair or eye color, a family history of skin cancer, chronic sun exposure, a history of sunburns early in life, or freckles, according to the American Cancer Society. Rays from artificial sources of light such as tanning booths also increase the risk of skin cancer. By following these guidelines, you will ensure protection for yourself and your family.
     
     
     
     
     
    Limit sun exposure.
    The rays of the sun are the strongest, and thus cause the most damage, between the hours of 10:00 a.m. and 4:00 p.m. People should plan their outdoor activities  for early morning or late afternoon. If it is not possible to avoid sun exposure during peak hours, individuals should attempt to seek shade under a tree, beach umbrella or tent, especially during the summer months and/or in regions with high altitudes. Infants younger than 6 months should be kept out of all direct sunlight. Babies have little melanin, the pigment that gives color to skin, hair and eyes and provides some sun protection. But since infants’ delicate skin is too sensitive for sunscreen, protect those under 6 months with long sleeves, pants and sun hats as well as sun umbrellas or hooded strollers. Sunburns can lead to serious illness in babies and toddlers.
     
     
    Do not burn.
    Even one sunburn increases your risk of developing melanoma, the deadliest form of skin cancer; five or more sunburns doubles your lifetime risk. If you do get a sunburn, don't put ice or butter on it. Use a cold compress, and if you don't have that, a pack of frozen vegetables will work. OTC pain relievers may also be helpful. Mild and moderate cases may be helped by topical corticosteroids such as hydrocortisone. Severe cases may require oral steroids such as prednisone.
     

    Avoid tanning and UV tanning booths.
    No tan is safe, whether it comes from the beach or the salon. Tanned skin is a sign that DNA has been damaged by UVR. Damage can lead to mutations that increase the risk of skin cancer. Tanning bed users are also at higher risk of developing skin cancer, since the sunlamps in tanning salons produce UVR doses as much as 12 times that of the sun.

     
    Cover up.
    When spending time outdoors cannot be avoided, protective clothing such as a long-sleeved shirt and pants can help prevent sun damage. Many sun-protective garments have a label that lists the ultraviolet protection factor (UPF) value. The highest UPF value is 50+, which only allows 1/50th of the sun’s radiation to penetrate the garment. Tightly woven clothing blocks out the sun and prevents damage more effectively than garments that are loosely woven. Darker colors may offer more protection than lighter shades. Wet clothing loses some of its protective ability.
     
     
    Wear a hat.
    Wide-brimmed hats protect the ears, neck, eyes, forehead, nose and scalp. A baseball cap or visor covers the scalp and forehead, but offers little or no protection for the ears and neck.
     
     
    Wear UV-absorbent sunglasses.
    Sunglasses protect against cataracts and ocular melanoma. Even inexpensive sunglasses can be effective. Look for ones that block 99 to 100 percent of UVA and UVB radiation. Wrap-around or close-fitting sunglasses offer the best protection because they shade the sides of the eyes as well.
     
     
    Use a sunscreen with an SPF of 15 or higher every day.
    A sunscreen’s SPF, or Sun Protection Factor, measures how long unprotected skin can be exposed to the sun’s ultraviolet B (UVB) rays before burning compared with how long it takes to burn without protection. A sunscreen with an SPF of 15 would prevent sunburn 15 times longer than if the product weren’t used. 

    But a high SPF alone is not enough, since SPF doesn’t measure defense against the sun’s ultraviolet A (UVA) rays, which can also cause damage.  So make sure your sunscreen has one or more of these UVA-protecting ingredients: titanium dioxide, zinc oxide, avobenzone or ecamsule (aka Mexoryl™ SX). Sunscreen should be worn every day, since even on overcast days most of the sun’s UVR can penetrate clouds.

    Apply 1 ounce (2 tablespoons) of sunscreen to your entire body 30 minutes before going outside. You have to apply enough sunscreen to get adequate protection. Be sure to reapply after two hours in the sun, or if you’ve been exercising heavily or swimming.
     
     
    Check the UV index.
    Developed by the Environmental Protection Agency (EPA) and National Weather Service, the UV index forecasts the expected strength of UV radiation on a given day and indicates the level of caution people should use when playing, exercising or working outdoors. Exposure levels are predicted on a scale of 0 to 11+, where 0 indicates minimal risk of overexposure and 11+ indicates maximum risk of overexposure. The UV index is calculated one day in advance and accounts for such factors as cloud coverage and local conditions that affect the quantity of UV radiation. Expected risk of overexposure is calculated for an individual with Type II skin. Therefore, adjustments may be necessary for people with other skin types.
     
     
    Check personal care products and medications.
    Some products, including cosmetics, perfumes and a number of prescription drugs, can increase a person’s photosensitivity, placing them at increased risk of sun damage. Patients can discuss the risks associated with medications and other products with their physician or pharmacist.
     
     
    Examine your skin head-to-toe once every month.
    Here’s how:
    • In front of a full-length mirror, inspect your head and face, using a blow dryer to check your scalp.
    • Check your hands, nails, arms, torso and trunk.
    • With your back to the mirror, use a hand mirror to check your back and other hard-to-see places.
    • Sitting down, check your legs and feet, including soles, heels, toes and nails.
     
    Look for skin changes of any kind. Warning signs include:
    • a spot or sore that continues to itch, hurt, crust, scab, erode or bleed
    • an open sore that does not heal within two weeks
    • a skin growth, mole, beauty mark or brown spot that:
      -changes color
      -changes texture
      -increases in size or thickness
      -is asymmetrical
      -has an irregular border
      -is bigger than 6mm, the size of a pencil eraser
      -appears after age 21
     
    See your physician every year for a skin exam. 
    Most skin cancers are curable if caught early, so have a regular total-body checkup to make sure your skin is — and stays — healthy.
     
     
     
     
      
     
     
     
     
     
     
     
     


    Edited by Nada - 21 Jul 2008 at 5:05pm
    A woman is like a tea bag. You never know how strong she is until she's in hot water.

    ~~Eleanor Roosevelt
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