This is your sperm on drugs

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There’s been evidence for years that heavy marijuana use damages men’s fertility, and researchers may have finally figured out how. It appears that THC, the active ingredient in marijuana, may have pretty much the same effect on sperm that it has on humans.

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NEW SCIENTIST reports that when sperm in test tubes were treated with high levels of THC, rather than swimming briskly like gametes with places to go and people to see, they meandered lazily, not getting very far. If they did happen to reach an egg, they seemed unable to bind to it and penetrate. “It really stops them cold,” said one researcher.

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Fact:

In-depth journalism that investigates the powerful takes real money and is so damn important right now.But it doesn’t take a Mother Jones investigation to know that billionaires and corporations will never fund the type of reporting (like they do politicians) we do that exists to help bring about change. Instead, our mission-driven journalism is made possible by people power, and has been for 46 years now since our founding as a non-profit.

In “TITLE TK” Monica Bauerlein writes about the perilous moment we’re in, and why it’s so important that we raise $325,000 by the time November’s midterms are decided so we can be ready to throw everything we have at the big issues facing the nation no matter what happens. Please help MoJo’s people-powered journalism with a donation today.

$400,000 to go!

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