In TODAY.com's Expert Tip of the Day, a dermatologist shares an often overlooked nail symptom that can be a sign of a serious ...

When you think of skin cancer, you probably think of checking head to toe for moles. But did you know your nails can also reveal an important sign of melanoma? With the American Academy of Dermatology ...

An American woman discovered she had melanoma when she noticed an unusual change in her thumbnail. Lauren Koltcz observed a peculiar alteration to her nail, saying: "It started out as a tiny little ...

As you go about your routine skin-cancer checks to spot abnormal moles or dark spots, there's one place you should be sure to look: your fingernails. As you go about your routine skin-cancer checks to ...

PENNSYLVANIA, USA — Melanoma is a type of skin cancer primarily caused by sun exposure. "Sun exposure causes damage to the cells in your skin and causes abnormal growth of melanocytes, which is a type ...

New spots and lesions appearing on your skin, especially after sun exposure, can be alarming. While often harmless age spots, these pigmented areas could also signal melanoma, a form of skin cancer.