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The Risks of Catching Rays

It feels good to lounge in the sunshine, but it can hurt your health in the long run. Over the years, too much time outdoors can put you at risk for wrinkles, age spots, scaly patches called actinic keratosis, and skin cancer.

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Suntan

A tan may look nice, but that golden color is due to an injury to the top layer of your skin.

When you soak up the sun's ultraviolet (UV) rays, it speeds up the aging of your skin and raises your risk of skin cancer. To prevent damage, use a "broad spectrum" sunscreen that is SPF 30 or higher.

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Sunburn (First-Degree Burns)

There's no guesswork about whether you've got a sunburn. Your skin turns red, it feels hot to the touch, and you may have some mild pain.

It's called a first-degree burn when it affects only the outer layer of your skin. To get some relief from pain, take aspirin or ibuprofen. Try a cold compress, or apply some moisturizing cream or aloe.

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Sunburn (Second Degree)

A second-degree sunburn damages deep layers of your skin and nerve endings. It's usually more painful and takes longer to heal.

You may have redness and swelling. If blisters form, don't break them. They might get infected.

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Wrinkles

The sun's rays can make you look old. Ultraviolet light in daylight damages the fibers in your skin called elastin and collagen. When that happens, it begins to sag and stretch.

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Uneven Skin Tone

Too much sun causes some areas of your skin to appear darker, while others look lighter. It can also make permanent changes in small blood vessels, which gives you a reddish look in places.

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Freckles

You get these on areas of your body that are exposed to the sun. You'll notice them more in the summer, especially if you're fair-skinned or have light or red hair.

Freckles aren't bad for you. But some cancers in the earliest stages can look like one. See your doctor if the size, shape, or color of a spot changes, or if it itches or bleeds.

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Melasma (Pregnancy Mask)

This shows up as tan or brown patches on your cheeks, nose, forehead, and chin. It's common among women who are pregnant, but men can get it too.

It may go away after your pregnancy ends, but you can also treat it with prescription creams and over-the-counter products.

Use sunscreen at all times if you have melasma, because daylight can make it worse.

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Age Spots (Solar Lentigines)

These pesky brown or gray areas aren't really caused by aging, though more of them show up on your body as you get older. You get them from being out in the daylight. They often appear on your face, hands, and chest.

Bleaching creams, acid peels, Retin-A products, and light treatments can make them less obvious. They don't harm your health, but check with your doctor to make sure they're not something more serious, like skin cancer.

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Actinic Keratosis (Solar Keratosis)

These red, brown, or skin-colored patches are small and scaly. You get them from being out in the daylight too much. They usually show up on your head, neck, or hands, but they can also appear on other parts of your body.

See your doctor, because if they're not treated they can sometimes turn into squamous cell carcinoma, a type of skin cancer.

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Actinic Cheilitis (Farmer’s Lip)

This usually appears on the lower lip, and you may have scaly patches, dryness and cracking, or swelling.

The sharp border-line between your lip and skin may also disappear.

Get this checked by your doctor. It may turn into squamous cell carcinoma if it's not treated.

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Squamous Cell Carcinoma

This type of skin cancer may show up as a firm red bump, a scaly growth that bleeds or gets a crust, or a sore that doesn't heal. It most often happens on your nose, forehead, ears, lower lip, hands, and other areas that get a lot of sun.

Squamous cell carcinoma can be cured if its treated early.

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Bowen Disease

This is a type of skin cancer that's on the surface of your skin. Your doctor may also call it squamous cell carcinoma "in situ."

Unlike "invasive" squamous cell carcinoma, Bowen disease doesn't spread to the inside of your body. It looks like scaly, reddish patches that may be crusted.

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Basal Cell Carcinoma

This is the most common form of skin cancer, and it's the easiest to treat.

Basal cell carcinoma spreads slowly. The tumors can take on many forms, including a pearly white or waxy bump, often with visible blood vessels, on the ears, neck, or face.

A tumor can also appear as a flat, scaly, flesh-colored or brown patch on your back or chest, or more rarely, a white, waxy scar.

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Melanoma

It's not as common as other types of skin cancer, but it's the most serious. Possible signs include a change in the way a mole or colored area looks.

Melanoma can affect the skin only, or it may spread to organs and bones. It can be cured if you get early treatment.

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Cataract

This is a cloudy area in the lens of your eye. It's painless, but it may cause foggy vision, glare from light, and seeing double. You can help prevent cataracts by wearing a hat and sunglasses when you're in the sun.

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Shun the Sun

The best way to avoid sunburn, wrinkles, skin cancer, and other damage is to stay out of the daylight, especially between 10 a.m. and 2 p.m, when the sun's rays are strongest.

If you need to be outside, use a broad spectrum sunscreen with SPF 30, wear a UPF fabric hat and sunglasses, and cover up your skin with clothing.

If you see any changes to a mole or you spot a new growth or a sore that won't heal, see your doctor right way.

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Sources | Medically Reviewed on 04/06/2017 Reviewed by Debra Jaliman, MD on April 06, 2017

IMAGES PROVIDED BY:

(1)   Andre Lichtenberg / TAXI / Getty Images
(2)   Jose Luis Pelaez / Riser / Getty Images
(3)   Beatrice Heydiri, Jupiter Images
(4)   Photo courtesy of Erin A. Bluhm
(5)   Safia Fatimi / Getty Images
(5)   John Howard / Digital Vision / Getty Images
(7)   Dimitri Vervitsiotis / Getty Images
(8)   ©2007 Interactive Medical Media LLC. All rights reserved.
(9)   Dorling Kindersley / Getty Images
(10)  ©2007 Interactive Medical Media LLC. All rights reserved.
(11)  ©2007 Interactive Medical Media LLC. All rights reserved.
(12)  ©2007 Interactive Medical Media LLC. All rights reserved.
(13)  ©2007 Interactive Medical Media LLC. All rights reserved.
(14)  Dr P. Marazzi / Photo Researchers, Inc / ©Pulse Picture Library/CMP Images / Phototake -- All rights reserved. / © 2007 Interactive Medical Media LLC. All rights reserved.
(15)  Top left and right, and bottom left and right images from "Fitzpatrick’s Color Atlas & Synopsis of Clinical Dermatology"; Klaus Wolff, Richard Allen Johnson, Dick Suurmond; Copyright 2005, 2001, 1997, 1993 by The McGraw-Hill Companies. All Rights reserved. Bottom center image from Dr. Kenneth Greer, Visuals Unlimited, Getty Images.
(16)  ©Denise Hesse / Phototake -- All rights reserved.
(17)  Flynn Larsen / Photonica / Getty Images

SOURCES:

American Academy of Dermatology web site.
American Cancer Society web site.
American Osteopathic College of Dermatology web site.
Centers for Disease Control and Prevention web site.
Department of Clinical Social Medicine, University of Heidelberg, Germany.
DermNet NZ web site.
Good Housekeeping web site.
Hornung, R. Journal of the American Academy of Dermatology, March 2007.
Kaminsky, B and Kaminsky, H. Beyond Botox, Time Warner, 2006.
National Cancer Institute web site.
National Institutes of Health web site.
Skin Cancer Foundation web site.
Visual Dx Health web site.

Reviewed by Debra Jaliman, MD on April 06, 2017

This tool does not provide medical advice. See additional information.

THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.