Risk appears to be elevated particularly among frequent and/or long-term users

SEATTLE — February 9 — Frequent and/or long-term marijuana use may significantly increase a man's risk of developing the most aggressive type of testicular cancer, according to a study by researchers at Fred Hutchinson Cancer Research Center. The study results were published online Feb. 9 in the journal Cancer.

The researchers found that being a marijuana smoker at the time of diagnosis was associated w...


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