Melanoma is a type of skin cancer. Although skin cancer is the most common type of cancer, melanoma cases make up less than 5 percent of all skin cancers, according to the American Cancer Society. Find out how much you know about melanoma by taking this quiz.
A new study says tanning beds can increase the risk of melanoma two and four fold depending on the type of machine and the length of time a person tans. Find out more from Lynn Cornelius, MD, chief of dermatology at Siteman Cancer Center.