This means that people with darker skin have somewhat more natural protection from UV rays. The bodies of people with darker skin naturally produce more melanin than those with lighter skin. This is why some people may tan after exposure to sunlight. After exposure to sunlight, melanocytes increase the production of melanin to protect the skin against potentially harmful UV rays.
Melanin is responsible for the color of the skin. Melanocytes produce a pigment called melanin. Melanoma is a type of skin cancer that occurs when pigment-producing cells known as melanocytes mutate and begin to divide uncontrollably. These changes, or mutations, to the genes can result in cells growing rapidly and out of control.
A cancerous mole, or melanoma, is the result of damage to DNA in skin cells.
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