Harvard Health Blog

Sun protection: Appropriate sunscreen use

By: Dominic Wu, MD, Contributing Editor Summer holidays are here and the sunny, warm weather is in full swing. Now is not the time to get lazy about sun protection! Sun: The good and the not-so-good Sunlight is essential for many important bodily functions, including producing vitamin D and maintaining your circadian rhythm and mood. Yet too much sun exposure can also be harmful. Ultraviolet (UV) radiation may result in short-term and…

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