Nat's Notes #7 The Fertility Crisis (Count Down by Dr. Shanna Swan)
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Sep 1, 2023 
Dr. Shanna Swan, an expert in reproductive development and author, discusses the alarming decline in fertility rates. Topics include disastrous changes in sperm count, consequences of low testosterone, the rise in miscarriages, effects of alcohol and drugs, endocrine disrupting chemicals and gender dysphoria, effects of pesticides and herbicides, and strategies to protect fertility.
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Prenatal Smoking Effects on Sons
- Maternal smoking during pregnancy irreversibly reduces her son's sperm count by up to 40%.
- Adult male smoking causes only a reversible 15% sperm count drop, highlighting prenatal vulnerability.
Marijuana and Fertility Risks
- Recreational drugs like marijuana and THC significantly reduce sperm counts and increase miscarriage rates.
- CBD may also harm sperm, challenging perceptions of safety around marijuana-related substances.
Tylenol's Hidden Reproductive Effects
- Common drugs like Tylenol can cause sperm abnormalities and increase miscarriage risk when used during pregnancy.
- Prenatal exposure to these drugs may affect children's sexual development and language acquisition.