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Healthy People

Co-conspirators in Melanoma

Americans spend billions to beautify their outermost organ — to make it softer and younger, to erase wrinkles, conceal freckles, fake a tan, flaunt a tattoo. In our obsession with skin’s cosmetic qualities, it’s easy to forget the role it plays as nature’s biohazard suit. It defends our bodies against a barrage of environmental and biological assaults, from solar ultra-violet (UV) radiation and industrial pollution to extreme heat and deadly pathogens.

Categories
Healthy People

How Tumors Begin

Skin cancer cells proliferate in this model that shows stages of the disease.