Welcome to MedlinePlus
MedlinePlus is an online health information resource for patients and their families and friends. It is a service of the National Library of Medicine (NLM), the world's largest medical library, which is part of the National Institutes of Health (NIH). Learn more about MedlinePlus
- FEATURED TOPIC
- Sun Exposure
- Skin cancer is the most common cancer in the U.S. Reduce your risk by staying in the shade and wearing protective clothing, sunglasses, and sunscreen all year.
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