Demographic Winter: Falling Sperm Counts ‘Threaten Human Survival’

21:05, 2 martie 2021 | Actual | 360 vizualizări | Nu există niciun comentariu Autor:
Half the world already has fertility rates below the population replacement level of 2.1, indicating a sharp reduction in global population by the end of this century. Meanwhile environmental extremists are crowing about overpopulation and demanding policies to further reduce population. ⁃ TN Editor

Falling sperm counts and changes to sexual development are “threatening human survival” and leading to a fertility crisis, a leading epidemiologist has warned.

Writing in a new book, Shanna Swan, an environmental and reproductive epidemiologist at Icahn School of Medicine at Mount Sinai in New York, warns that the impending fertility crisis poses a global threat comparable to that of the climate crisis.

“The current state of reproductive affairs can’t continue much longer without threatening human survival,” she writes in Count Down.

It comes after a study she co-authored in 2017 found that sperm counts in the west had plummeted by 59% between 1973 and 2011, making headlines globally.

Now, Swan says, following current projections, the median sperm count is set to reach zero in 2045. “That’s a little concerning, to say the least,” she told Axios.

In the book, Swan and co-author Stacey Colino explore how modern life is threatening sperm counts, changing male and female reproductive development and endangering human life.

It points to lifestyle and chemical exposures that are changing and threatening human sexual development and fertility. Such is the gravity of the threats they pose, she argues, that humans could become an endangered species.

“Of five possible criteria for what makes a species endangered,” Swan writes, “only one needs to be met; the current state of affairs for humans meets at least three.”

Swan offers advice on how to protect themselves from damaging chemicals and urges people to “do what we can to safeguard our fertility, the fate of mankind, and the planet”.

Between 1964 and 2018 the global fertility rate fell from 5.06 births per woman to 2.4. Now approximately half the world’s countries have fertility rates below 2.1, the population replacement level.

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Source: https://www.technocracy.news