Download PDF Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race Writen By Shanna H. Swan

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

By : Shanna H. Swan

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

Book Synopsis :

In the tradition of Silent Spring and The Sixth Extinction, an urgent, ?disturbing, empowering, and essential? (Kirkus Reviews, starred review) book about the ways in which chemicals in the modern environment are changing?and endangering?human 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 globe?but the story didn?t 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

Book Detail :

Author : Shanna H. Swan

Pages : 304 pages

Publisher : Scribner

Language :

ISBN-10 : 1982113669

ISBN-13 : 9781982113667

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