Of five possible criteria for what makes a species endangered, only one needs to be met the current state of affairs for humans meets at least three.”įollow the Heavy on Joe Rogan Facebook page for the latest on his podcast and more. She wrote, “The current state of reproductive affairs can’t continue much longer without threatening human survival. This means that most couples may have to use assisted reproduction.”Īccording to Men’s Health, Swan wrote in her book, “Chemicals in our environment and unhealthy lifestyle practices in our modern world are disrupting our hormonal balance, causing various degrees of reproductive havoc.” She said there is a “global existential crisis,” that is causing shrinking penis size and decreasing the volume of the testes. It is speculative to extrapolate, but there is also no evidence that it is tapering off. Swan, who recently published a book on the subject with reporter Stacey Colino, Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race, told The Guardian in March 2021, “If you follow the curve from the 2017 sperm-decline meta-analysis, it predicts that by 2045 we will have a median sperm count of zero. One major danger is phthalates, Swan said, which, according to the CDC, are, “a group of chemicals used to make plastics more durable. What her work is showing is that exposure to plastics and chemicals are radically affecting sperm levels and the developmental cycles of children and it’s been going down steadily since the 1950’s and the widespread use of petrochemical products.” is a researcher and an environmental and reproductive epidemiologist. Rogan wrote on Instagram, “This one should scare the s*** out of people. Swan, who is a professor of environmental science and public health at the Icahn School of Medicine at Mount Sinai in New York City, was a guest on The Joe Rogan Experience podcast on April 21, 2021. Shanna Swan shared with Joe Rogan her “disturbing” research into the effect plastics and chemicals are having on humans, including her fears that lower sperm counts in men could lead to a fertility crisis. Shanna Swan should "scare the s*** out of people."ĭr.
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