All About Sunscreen

May is Skin Cancer Awareness Month.  The first lines of defense are avoidance of UV radiation, finding shade, and using sun protective clothing. Whatever skin is exposed after these measures should get sunscreen.   Why do I need sunscreen? Ultraviolet (UV) rays corrupt and mutate DNA in skin cells. In addition, the sun’s radiation impairs the ability of cells to repair DNA. This adds up over a lifetime and eventually leads to skin cancers such as basal cell carcinoma, [...]