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Many men who are facing "male factor infertility" because their sperm's size and shape is not of a high enough quality to fertilize a woman's egg and help her become pregnant turn to lifestyle changes like losing weight or quitting smoking or drinking alcohol.  But a new study published in the journal Human Reproduction has found that those lifestyle adjustments--while a good idea for men who want to be healthier and lower their risk of other health conditions--aren't likely to help solve their sperm quality issues.

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