Modern Wisdom
#769 - Dr Shanna Swan - Why Are Men’s Testosterone Levels Plummeting?
Apr 11, 2024
Dr. Shanna Swan, a Professor at the Icahn School of Medicine and renowned environmental and reproductive epidemiologist, discusses the alarming decline in testosterone levels and its wide-ranging implications for reproductive health. She explores how endocrine disruptors like phthalates affect fertility and what men can do to improve sperm count. The conversation delves into the global decline of sperm counts, societal pressures, and practical tips to minimize chemical exposure. Listeners will gain insights into the connection between modern lifestyles and hormonal health.
01:23:22
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Quick takeaways
- Testosterone levels among men are declining, impacting factors like libido, masculinity, and overall health.
- Global trends show a consistent decline in sperm counts, with potential geographical variations in trends.
Deep dives
Testosterone Trends and Decline
Research indicates a concerning decline in testosterone levels among men, with studies showing a decrease over time. While testosterone supplementation is increasingly used, especially by young men, indicating potential issues with low testosterone, there are signals suggesting a decline. The importance of testosterone spans from fetal development to adulthood, impacting factors like libido, masculinity, and overall health.
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