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Endocrine Disruptors - Common Chemicals That Severely Alter Your Hormones - Dr. Shanna Swan | After Skool

Sep 15, 2026 · 49m

Summary

Reproductive epidemiologist Shauna Swan discusses the alarming global decline in sperm counts, which has accelerated to 2.64% annually since 2000. She attributes this trend to environmental endocrine disruptors, such as phthalates and bisphenols found in plastics and pesticides, which interfere with natural hormone production. Swan explains how prenatal exposure to these chemicals affects fetal development and long-term fertility, while also addressing the societal and economic consequences of falling birth rates. The episode concludes with practical advice for individuals to reduce chemica…

Topics discussed

Introduction and the 2017 sperm count study New findings: global decline and accelerated rate Ruling out genetic causes for rapid decline Lifestyle factors affecting fertility Involuntary environmental exposures and chemicals Hormonal regulation and endocrine disruption Phthalates, BPA, and plastic water bottles Pesticides and the difference in recovery Prenatal exposure and the 'black box' of the womb Anogenital distance as a marker of testosterone Mechanism of phthalate impact on fetal development Consequences: infertility and assisted reproduction Health impacts: longevity and global fertility rates Demographic shifts and the inverted population pyramid Is population decline a good thing? Rights and animals Economic burdens and South Korea's fertility crisis Mint Mobile advertisement Social phenomena: rent-a-family and libido decline Deliberate intent vs. economic drivers of chemical use The need for regulation and safer alternatives Endocrine disruption and the LGBTQ+ spectrum Sensitivity in discussing gender dysphoria and chemicals Advice for young adults: awareness and banking sperm Reproduction as a neglected field of study Conclusion and book recommendation USAA advertisement
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