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Men’s Average Testosterone Levels Have Halved in 50 years

Summary
Average testosterone levels in men fell by 54% between 1972 and 2019, according to findings presented at the annual meeting of the European Society of Human Reproduction and Embryology in London Tuesday. The meta-analysis drew on data from 118,593 men across Israel, the U.S., Brazil, Finland and Denmark.

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(Seoul = Yonhap News) Reporter Hyun Young-bok = A study has found that the average testosterone levels in men have dropped by about half over the past 50 years, indicating a crisis in male reproductive capacity.

·Seoul, Korea (the Republic of)
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Center

According to scientists, increasing levels of obesity and diabetes, as well as environmental factors, would be responsible for this decline. More information: José Luis, the thirty-year-old physicist who understands Musk's desire with Mars: "Expanding us for the solar system is interesting"

·Spain
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Business Insider broke the news in New York, United States on Saturday, June 13, 2026.
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