6min chapter

Unexplainable cover image

Are humans running out of sperm?

Unexplainable

CHAPTER

Introduction

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.

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