Mayo Clinic Q and A: Bleeding moles and skin checks

DEAR MAYO CLINIC: I have a significant number of moles. While most do not bother me, I have at least one that bleeds from time to time. Should I see my doctor for a mole that bleeds? ANSWER: Moles are groups of pigment cells, and nearly everyone has them. Most moles are harmless, but it's possible for melanoma — a rare but serious skin cancer — to develop in or near a mole. Although it may not…
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