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Sperm counts in men in the west have declined by more than 50 %. If it carries on at its current rate, humans could end up extinct. Sperma gedden digs into sperm to find out just how worried we should be. Subscribe to nerd wallet's smart money podcast wherever you listen.

In 2017, researchers published an explosive finding: Sperm counts may be declining in some countries around the world. Media outlets began worrying about a potential Spermageddon, but other researchers have pumped the brakes. Because scientists know surprisingly little about sperm.

Also, Noam created a list on the Hark podcast app where he talked about some of his favorite bitesize moments of the show so far. And it’s easy to share with friends! https://bit.ly/3tib6pd

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