Well, I did it! I survived my first 6 months back as Director of Admissions at the Canadian Academy of Dental Health and Community Sciences, a division of the Canadian Academy of Dental Hygiene Inc. and I love it!A� The dental hygiene and dental assisting students, administrative staff and faculty are fantastic! A�A�We had a wonderful bunch of new dental hygiene students join us on April 29th and I would personally like to welcome each and every one of them.A� Although most schools are starting to a�?wind downa�? for their summer vacation a�� CADH is going full steam ahead!A� We are already busy preparing for our October 21st start- it is an exciting time.
Although it has been a wet and dreary spring, I truly believe that there is sunshine in the future. Keep in mind, that although we love the sunshine, we must be VERY careful of the damaging effects that it can have on our skin-take care to protect yourself and read below for some helpful hints!
A�Protecting Yourself from Sun Damage
What are the dangers of sun exposure?
The immediate danger of too much sun is sunburn. If you looked at sunburned skin under a strong microscope, you would see that the cells and blood vessels have been damaged. With repeated sun damage, the skin starts to look dry, wrinkled, discolored, and leathery. Although the skin appears to be thicker, it actually has been weakened and, as a result, it will bruise more easily.
However, the sun’s most serious threat is that it is the major cause of skin cancer, which is now the most common of all cancers. Doctors believe that most skin cancers can be avoided by preventing sun damage.
Does the sun have benefits?
You may have been taught as a child that you need sunlight for your body to make vitamin D, because vitamin D is not found naturally in most foods. But today, many foods are fortified with vitamin D during the manufacturing process. Thus, sun exposure is not as important for the body’s vitamin D supply as it used to be. Of course, being outdoors makes most people feel good. And playing tennis is better for your health than watching television. But you can still protect yourself from the sun’s damaging effects while enjoying yourself outdoors.
How can I avoid the harmful effects of the sun?
Staying out of the sun is the best way to avoid sun damage, but most of us go outdoors regularly. So when you go outside, take these precautions:
- MostA� importantly, always wear sunscreen. You should put it on every day. MakeA�it a habit, such as brushing your teeth.
- TryA�to avoid sun in the middle of the day, from about 10 am to 3 pm. TheA�ultraviolet rays, which cause sunburn, are strongest during this time.
- WhenA�you do go outdoors, especially for long periods in the middle of the day,A�A�wear protective clothing. Long sleeves and slacks, as well as aA�wide-brimmed hat, help protect your body against the sun’s harmfulA�effects.
- WearA�sunglasses that filter UV light.
What is SPF in a sunscreen?
SPF stands for sun protection factor. The SPF number tells you how well the product will protect you from UVB, the burning rays of the sun. (Most sunscreens also absorb ultraviolet “A” rays, or UVA.) The larger the SPF number, the greater the amount of protection. Everyone should use a sunscreen with an SPF of at least 15. If you have had a skin cancer or precancer, you should use a sunscreen with an even higher SPF. Many of the new sunscreens have SPFs of 30, 45, or higher.
I don’t burn very often. Does this mean I can use a sunscreen with a low SPF?
If you were only trying to avoid sunburn, the answer would be “yes.” But protection from sunburn is not the most important reason for wearing sunscreen. You want to reduce damage from the sun. Your skin can be harmed by constant sun exposure, whether or not you see a burn. Remember, sunburn is an immediate reaction, but damage from the sun occurs over a lifetime. If you have had a skin cancer or pre-cancer, you should use an SPF of 15 or higher. (Some dermatologists recommend that almost everyone use a sunscreen with an SPF of 15.)
Who should use sunscreens?
Anyone who spends time outdoors should use a sunscreen. This includes:
- men,A�women, and children
- peopleA�A�who tan easily and those who don’t
- fair-skinnedA�A�and dark-skinned people; people who already have tans and
- sunbathers,A�gardeners, and skiers.
Are sunscreens safe for children?
Yes. Not only are sunscreens safe for children over age 6 months, if used regularly in childhood they can prevent skin cancers from developing in later life. Recently, a researcher reported that if sunscreens were used regularly by children through the age of 18, there would be a 72% reduction in the cases of skin cancer later in life.
How should sunscreens be applied?
Sunscreens are very effective when used properly. Follow these guidelines to give yourself the most protection:
- ApplyA�A�the sunscreen at least 20 to 30 minutes before you go outdoors, whenever A�A�A�A� you will be exposed for 30 minutes or more.
- ReapplyA�A�sunscreen every 3 hours while you are outdoors, even if the product is A�A�A�A� labeled “all-day.” If you are getting a lot of sun or perspiring A�A�A�A� heavily, reapply sunscreen every hour or two.
- CoverA�all exposed areas, including your ears, lips, face and back of your hands.
- Dona��tA�A�skimp; apply a generous layer. Smooth it on rather than rub it in. A ruleA�of thumb is that 30 ml (a shot glass) of sunscreen is necessary for A�A�A�A� application to all exposed skin to attain the stated level of protection.
- WomenA�A�should apply sunscreens under makeup. If you wait to apply sunscreen untilA�A�you hit the beach, you may already be perspiring, and moisture makesA�sunscreens less effective.
My skin is sensitive. Should I skip the sunscreen?
Some sunscreens contain ingredients that may irritate the skin. If you know you react to specific ingredients, be sure to check the contents on the label. You can also ask your dermatologist to recommend a sunscreen.
However, the sunscreen may not be causing the reaction. Other products that come into contact with your skin, including perfumes, certain medications, and soaps, may make your skin more sensitive. Think about the products you have been using (especially new products), and stop using these one by one before you stop using the sunscreen. If you are not sure about the side effects of a medication you are taking, consult with your doctor or local pharmacist.
References
Lim Henry W. Photoprotection and Sun Protective Agents. In: Wolff K, Goldsmith LA, Katz SI, Gilchrest B, Paller AS, Leffell DJ et al, editors. Fitzpatricka��s Dermatology in General Medicine. 7th ed. New York, NY: McGraw Hill Medical; 2008:Chap 223.
Tung R, Vidimos A.Melanoma. In: Carey WD, ed. Cleveland Clinic: Current Clinical Medicine 2010. 2nd ed. Philadelphia, Pa: Saunders Elsevier; 2010:section 3.
Tung R, Vidimos A.Nonmelanoma skin cancer. In: Carey WD, ed. Cleveland Clinic: Current Clinical Medicine 2010. 2nd ed. Philadelphia, Pa: Saunders Elsevier; 2010:section 3.
A� Copyright 1995-2011 The Cleveland Clinic Foundation. All rights reserved.
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This information is provided by the Cleveland Clinic and is not intended to replace the medical advice of your doctor or health care provider. Please consult your health care provider for advice about a specific medical condition. This document was last reviewed on: 3/16/2011a��#5240
