Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race

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In the tradition of Silent Spring and The Sixth Extinction, an urgent, meticulously researched, and groundbreaking book about the ways in which chemicals in the modern environment are changingand endangeringhuman sexuality and fertility on the grandest scale, from renowned epidemiologist Shanna Swan.

In 2017, author Shanna Swan and her team of researchers completed a major study. They found that over the past four decades, sperm levels among men in Western countries have dropped by more than 50 percent. They came to this conclusion after examining 185 studies involving close to 45,000 healthy men. The result sent shockwaves around the globebut the story didnt end there. It turns out our sexual development is changing in broader ways, for both men and women and even other species, and that the modern world is on pace to become an infertile one.

How and why could this happen What is hijacking our fertility and our health Count Down unpacks these questions, revealing what Swan and other researchers have learned about how both lifestyle and chemical exposures are affecting our fertility, sexual developmentpotentially including the increase in gender fluidityand general health as a species. Engagingly explaining the science and repercussions of these worldwide threats and providing simple and practical guidelines for effectively avoiding chemical goods (from water bottles to shaving cream) both as individuals and societies, Count Down is at once an urgent wake-up call, an illuminating read, and a vital tool for the protection of our future.

Author Bio

Shanna H. Swan, PhD, is an award-winning scientist based at Mt. Sinai and one of the leading environmental and reproductive epidemiologists in the world. Dr. Swan has published more than 200 scientific papers and has been featured in extensive media coverage around the world. Her appearances includeABC News,NBC Nightly News,60 Minutes,CBS News,PBS,BBC,PRI Radio, NPR, and The Joe Rogan Experience as well as in leading magazines and newspapers, includingNewsweek,The Washington Post,USA TODAY,Time,US News & World Report,The Guardian,Bloomberg News,New York Post,Chicago Tribune,Daily News(New York),Los Angeles Times,HuffPost,Daily Mail(London),New Scientist,Mental Floss,Mother Jones,New Telegraph,Euronews, and theNational Post.

Stacey Colinois an award-winning writer specializing in health and psychological issues. Her writing has appeared in US News & World Report, The Washington Post, Newsweek, Parade,Sports Illustrated, and more. She is the coauthor of numerous books, including Count Down, Emotional Inflammation, and Disease Proof. Stacey is a lifelong dog lover and has owned three rescue dogs. Follow her on Twitter @ColinoStacey.