Overall, there was a 20% increased risk for melanoma with any indoor tanning (RR 1.20, 95% CI 1.08 to 1.34), according to Mathieu Boniol, PhD, of the International Prevention Research Institute in Lyon, France, and colleagues.
But the risk nearly doubled when sunbed use began before age 35 (RR 1.87, 95% CI 1.41 to 2.48), they reported online in BMJ.
Tanning Beds
Carcinogenic to Humans
Tanning beds have moved to the highest-risk cancer category of radiation sources in an update from the International Agency for Research on Cancer (IARC).
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