Researchers track more than 75,000 subjects over 20 years
(Newser) -
The risk of life-threatening skin cancer increases with the frequency of tanning bed use, a 20-year study finds. Between 1989 and 2009, researchers tracked the tanning practices of more than 73,000 nurses, both while they were in high school and college and from age 25 to 35. They learned...
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