Sperm Counts Are Falling All Over the World—Why?

Sperm Counts Are Falling All Over the World—Why?

In the last 50 years, average sperm counts have fallen by 50 percent. This isn’t just happening in the U.S. or Europe or Asia. It seems to be happening everywhere. If the current rate of decline continues, researchers concluded, the average male sperm count will fall so low that the typical guy in every advanced economy will be infertile by 2050. Harvard's Jorge Chavarro, a professor of nutrition and epidemiology, breaks down the data on declining sperm counts and tells us what it means, what might be causing it, what men can reasonably do to avoid it, and how bad it could get. If you have questions, observations, or ideas for future episodes, email us at PlainEnglish@Spotify.com. You can find us on TikTok at www.tiktok.com/@plainenglish_ Host: Derek Thompson Guest: Jorge Chavarro Producer: Devon Manze Learn more about your ad choices. Visit podcastchoices.com/adchoices

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Is This the Chinese Century?

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What Americans Get Wrong About ADHD

What Americans Get Wrong About ADHD

In 1937, a Rhode Island psychiatrist named Charles Bradley ran an experiment on 30 child patients who had complained of headaches. He gave them an amphetamine, that is a stimulant, called Benzedrine, ...

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An Astrophysicist Explains the "Strongest Evidence Yet" of Alien Life

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Last week, a team of astrophysicists from the University of Cambridge announced that they had discovered the “strongest indication” ever of extraterrestrial life. The source did not come from Mars or ...

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A Toy Manufacturer Explains How Trump’s Tariffs Could Crush His Industry

A Toy Manufacturer Explains How Trump’s Tariffs Could Crush His Industry

In the past three weeks, we've spoken to economists about the tariffs. We’ve spoken to a historian about the Smoot-Hawley Tariff Act and the 100-year legacy of American protectionism. We've spoken to ...

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Why America Will Lose Its Trade War With China

Why America Will Lose Its Trade War With China

The U.S. is in the opening innings of a full-blown trade war with China. What does that actually mean? What do we sell to China? What does China sell to us? How is each country dependent on the other ...

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Plain History: The Smoot-Hawley Tariff and the Great Depression

Plain History: The Smoot-Hawley Tariff and the Great Depression

The 1920s and the 2020s share a special kinship. One hundred years ago, the U.S. was grappling with a mix of growth, technological splendor, and generational anxiety—a familiar cocktail (albeit, from ...

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Trump’s Trade War Is Like Nothing America’s Ever Seen

Trump’s Trade War Is Like Nothing America’s Ever Seen

Donald Trump's tariff plan has set global markets on fire. What are they for? What are they trying to accomplish? Fresh off his black-out-rage session on CNBC, Derek talks to Matthew Klein, the autho...

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Trump’s Plan to Smash the Global Economic Order

Trump’s Plan to Smash the Global Economic Order

Donald Trump's second term has been a breakneck whirlwind: tariffs announced, tariffs unannounced, tariffs reannounced, allies threatened, and global coalitions ripped apart. What sort of a world are ...

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