Signs and symptoms
... Moles — the medical term is nevi — are clusters of pigmented cells. Normal moles are generally a uniform color, such as tan, brown or black, with a distinct border separating the mole from...

Causes
... Although it''s common to think of skin in cosmetic terms — how soft, smooth or resilient it is — your skin is your body''s largest organ and performs a number of essential functions, inclu...

Risk factors
... Factors that may increase your risk of skin cancer include: Fair skin. Having less pigment (melanin) in your skin means you have less protection from damaging UV radiation. If you have blond or red ha...

Screening and diagnosis
... The American Cancer Society (ACS) recommends skin examinations every 3 years for adults between the ages of 20 and 40 and yearly exams for everyone older than 40. These screening exams involve a head ...