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Causes and Risk Factors of Melanoma

By , About.com Guide

Updated April 26, 2006

About.com Health's Disease and Condition content is reviewed by our Medical Review Board

Sun Exposure:

Exposure to the UV rays of the suns damages our cells' DNA, thus the development of melanoma. When outdoors, be sure to wear sunscreen, even in the shade.

Exposure to articifcial lighter (tanning beds, booths, and lamps):

Tanning beds, booths and lamps all contain UV rays and can still increase your risk factor for developing melanoma. Indoor tanning still damages cells.

Family history of melanoma or past history:

If melanoma runs in the family, or if you have been diagnosed previously with melanoma, your risk factor for melanoma is increased.

Being over the age of 20 and caucasian.:

Melanoma occurs more commonly in older adults, but can be diagnosed at any age. Being Caucasian is also a risk factor.

Have light colored hair and eyes, freckles or red hair.:

People with lighter features burn easily, and that is the factor that increases their risk factor for melanoma. In fact, people with lighter features are 20 times more likely to develop melanoma than African Americans.

Unusual mole or spot:

IF you have moles or spots on the skin that look unusual, you must monitor them for any changes. You want to look for color, shape, border, asymmetry changes. Learn how to properly check your skin.

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