Episode #1638

Shanna H. Swan

· 1 book mentioned

Books mentioned

  1. Count Down

    Shanna H. Swan, Stacey Colino

    Mentioned by Joe Rogan (host) · at 00:00:00

    Amazon (opens in a new tab; affiliate link) Source: Official episode description (podcast RSS) · Transcript (podscripts.co)

Timestamps are segment start times from the podscripts.co transcript of the audio release (includes ad reads), so they may differ from the video by a few minutes.

Dr. Shanna Swan is an environmental epidemiologist studying how chemical exposures affect fertility, pregnancy, and child development. The episode examines evidence linking phthalates and other chemicals to reproductive health, declining sperm counts, and developmental risks, while discussing weak regulation, public skepticism, and practical ways to limit exposure.

What they talked about

  • Declining sperm counts and reproductive health
  • Endocrine-disrupting chemicals like phthalates
  • Plastic use and food contamination
  • In utero exposure and permanent developmental effects
  • Regulatory failures and industry resistance
  • Lifestyle factors affecting male fertility
  • Global fertility trends and societal impacts
  • The Jizz Quiz and fertility awareness

Episode sources