While not much is known about the long-term effects of smoking marijuana, a new study suggests it could significantly increase a man's risk for testicular cancer.
Researchers at Fred Hutchinson Cancer Research Center compared over 350 men diagnosed with testicular cancer to nearly one thousand healthy men. They found those who were marijuana users had a 70 percent increased risk for developing the most aggressive form of the disease. The risk was higher for men who had used it for longer periods of time, or those who started using it when they were teenagers.
While experts say their findings are strong, they say more studies are needed. Experts note cases of testicular cancer have been steadily increasing over the past 60 years, in conjunction with the rise in marijuana use.
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