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ST. LOUIS (KTVI) – It’s prom season and some high school students who want to look extra smashing in their dress might be thinking about hitting the tanning booth. But consider this: just one indoor tanning session per year in high school or college boosts your risk of getting deadly melanoma by 20-percent.

Dr. Lynn Cornelius, a dermatologist from Washington University School of Medicine, visits Fox 2 News in the Morning to discuss additional cancer risks, as well as a recommendation for sunless tanners.