Few lifestyle factors influence sperm shape and size: study

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Few lifestyle factors influence sperm shape and size: study

By Andrew M. Seaman NEW YORK (Reuters Health) - For couples struggling with infertility, there are few lifestyle changes men can make to improve the size and shape of their sperm, suggests a new study. Sperm shape and size - known as morphology - were worse in semen samples collected during summer months and from men who smoked marijuana. “It’s always my recommendation to my patients to improve their health as much as possible,” Dr. James Smith said. “A study like this doesn’t discourage me from saying those things to my patient.” Smith, who was not involved with the new study, is a male reproductive health specialist at the University of California, San Francisco.

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