Key clinical point: The risk for squamous cell carcinoma increased with a greater accumulated number of indoor tanning sessions among women in Norway.
Major finding: The adjusted hazard ratio for squamous cell carcinoma for highest use of indoor tanning versus never used was 1.83.
Study details: The data come from a cohort study of 159,419 women.
Disclosures: The study was supported by the Institute of Basic Medical Sciences, University of Oslo, and the Norwegian Cancer Society. The researchers had no financial conflicts to disclose.
Lergenmuller S et al. JAMA Dermatol. 2019 Oct 2..