
Skin Cancer
The two major risk factors for developing skin cancers are the amount of exposure to ultraviolet light (usually as sunlight) and the individual's response to ultraviolet light, which depends on skin type and the amount of melanin skin pigment that protects against ultraviolet light absorption. What causes it. Most skin cancers are caused by excessive exposure to sunlight. Genetic background is also a factor, since light-skinned people sulfur a more adverse reaction to the sun's ultraviolet radiation.