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.

White spots on your skin can signal idiopathic guttate hypomelanosis, a result of UV exposure. They may also be leftover scars from eczema or tinea versicolor, a fungal infection. Flat warts look ...

Summer can mean an increase in visible freckles. But how do you know when a freckle is harmless versus whether it might actually be concerning?

Learn the most common causes of white spots on nails, a condition known as leukonychia. Plus, experts explain how to treat ...

The appearance of a new lesion or spot can be cause for concern – particularly if you’ve been spending time in the sun. While ...

A check mark. It indicates that the relevant content has been reviewed and verified by an expert Our stories are reviewed by medical professionals to ensure you get the most accurate and useful ...