Blame it on Coco Chanel. The legendary style maker kicked off the modern tanning craze back in 1923 when she stepped off a cruise ship in Cannes with a deep, dark tan. Unfortunately, tanning then was no safer than it is today 87 years later.
Ultraviolet radiation from the sun causes 90% of the most common skin cancers, namely basal cell and squamous cell carcinomas, according to the Skin Cancer Foundation. And astoundingly, one in five Americans will develop skin cancer in the course of a lifetime, and that includes the potentially deadly melanoma, the most common form of cancer for young adults 25 to 29 years old.