Sunbathing is tan-talizing — but it comes at a price. Skin cancer is the most common cancer in the US — and one of the most preventable. Overexposure to ultraviolet (UV) radiation from the sun or tanning beds is the main cause of skin cancer, which kills at least two Americans per hour. As summer winds down, it’s a good idea to thoroughly inspect your body for any skin changes that may have resulted from…