Testosterone Levels in Men: 54% Decline Between 1972 and 2019
New research predicts a male fertility crisis, calling out environmental changes as the culprit.
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Experts warn of ‘major crisis in male reproductive health’ as testosterone levels halve in 50 years
Researchers point towards two health conditions as the primary factors in the decline

Men's average testosterone levels declined 54% over 47 years, study finds
Exclusive: Researchers warn of ‘major crisis in male reproductive health’ partly driven by obesity and diabetes

Men's average testosterone levels declined 54% over 47 years, study finds
Exclusive: Researchers warn of ‘major crisis in male reproductive health’ partly driven by obesity and diabetes

Men’s testosterone levels have fallen by half in last 50 years, scientists warn
Environmental factors like hormone-disrupting substances may be contributing to testosterone decline, scientists say

Is male testosterone in freefall? – podcast
Men’s average testosterone levels have halved over the past 50 years, according to scientists who say society is facing a male fertility cri

Male testosterone levels have halved and there’s ‘staggering’ repercussions
We could see deaths rising.

La testosterona masculina se desploma un 54% en medio siglo y los expertos alertan de una crisis de fertilidad
Una investigación alerta de un desplome hormonal masculino y de una posible crisis de fertilidad

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