“Are your sperm in trouble?” Columnist Nicholas Kristof worries (quite literally) about the future of our species. As usual, it’s the fault of the human male. One of many troubling quotes he marshals, from the respected editor of the journal Endocrinology: “Semen quality and fertility in men have decreased. Not everyone who wants to reproduce will be able to. And the costs of male disorders to quality of life, and the economic burden to stop-ed-meds.net, are inestimable.

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