Men’s average testosterone levels have halved in last 50 years, say scientists

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The Guardian - Science 10 hours ago • theguardian.com

Men’s average testosterone levels have halved in last 50 years, say scientists

Exclusive: Researchers warn of ‘major crisis in male reproductive health’ partly driven by obesity and diabetesMen’s average testosterone levels have halved over the past 50 years, according to scientists, who say societ…

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