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Ibuprofen Use Linked to Male Infertility, Study Finds

The ibuprofen dosage commonly taken by high-level male athletes can afflict their testicles with a condition seen often in elderly men and linked to lower fertility.

That's according to a new study published in the Proceedings of the National Academy of Sciences, which found that heavy usage of the everyday pain medicine "alters human testicular physiology" to result in the disorder called compensated hypogonadism.

The study, which took place in Denmark and France, involved 31 adult men under the age of 35. Some took 1,200 milligrams of ibuprofen daily — the maximum limit as often directed —  over a six-week period. Others took a placebo. 

Within two weeks, testosterone-producing hormones in the ibuprofen subjects became tied to the amount of ibuprofen in their blood. The ratio of such hormones to testosterone dropped, causing compensated hypogonadism. The disorder is also linked to depression and strokes, the study's authors note.

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