different types of skin diseases pictures: skin cancer 932 views
Mar8
Question: Skin Cancer Pictures
I have a spot on my arm that I think may be skin cancer. What does skin cancer look like?
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Tag cancer
About ultraviolet radiation and skin cancer and how to protect your skin 384 views
Jul9
Ultraviolet (UV) light is electromagnetic radiation with a wavelength shorter than that of visible light, but longer than x-rays, in the range 10 nm to 400 nm, and energies from 3 eV to 124 eV. It is so named because the spectrum consists of electromagnetic waves with frequencies higher than those that humans identify as the color violet.
Ultraviolet (UV) radiation from sunlight can damage DNA, the critical geneticmaterial in every cell of every person. When damaged by UV radiation from sunlight or artificial light sources such as sun lamps and tanning booths,DNA loses its power to control how and when cells grow and divide.Sometimes, this DNA damage leads to the formation of skin cancer.
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