Asked 8 years, 4 months ago

Can running cause male infertility problems?


Q: I am a 37 year old male runner with fertility problems. 85% of my sperm are abnormal and their mobility is poor. Last fall I was running between 50 and 70 miles per week; I am presently down to 30. Could my distance running be a contributing factor?

Frank Gavelstein, Logendale, NV


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