Monday, March 15, 2010

How the skin color of a human body changes to black under sunlight?

under the exposure of sunlight,the skin produces melanin-a pigment.The more melanin you have,the darker your skin tone will be.Also,continuous studies and researches have shown that darker skin tone are more resistant towards development of skin cancer.
How the skin color of a human body changes to black under sunlight?
Melanin production increases in response to sunlight to help protect the skin from UV damage.


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