Humans May Not Be Able to Reproduce Naturally Much Longer, Scientist Warns

Everyday chemicals are threatening the future of human fertility

Emily Mullin
Future Human

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Baby figures in petri dish to symbolize IVF.
Photo: Peter Dazeley/Getty Images

Many men today have just half the number of sperm their grandfathers had. The shocking discovery was published in 2017 by Shanna Swan, PhD, an environmental and reproductive epidemiologist at the Icahn School of Medicine at Mount…

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Emily Mullin
Future Human

Former staff writer at Medium, where I covered biotech, genetics, and Covid-19 for OneZero, Future Human, Elemental, and the Coronavirus Blog.