Count Down
by Shanna Swan, Stacey Colino · first published 2021
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2021–2022first – last mentioned
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"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 hij
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See Shanna Swan and the Count Down book. This effect is already established, many of the mechanisms are established, science is discovering more mechanisms, but we already know enough to start taking public health actions. The epi evidence…
on “NIH-funded research to address rising male infertility” ↗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 Swan, PhD https://www.amazon.com/Count-Down-Threatening-Reproductive-D...
on “Puberty Starts Earlier Than It Used To. No One Knows Why” ↗