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The Doctor's Farmacy · May 20, 2026 · 1h 12m

The Latest Science on Microplastics — And What They’re Doing to Your Body | Dr. Shanna Swan

Dr. Mark Hyman talks with Dr. Shanna Swan about the latest science behind microplastics and endocrine-disrupting chemicals. They examine the concerning trends in sperm counts, fertility, and hormone health, and break down how chemicals like phthalates, BPA, and PFAS interfere with the body's hormonal systems. The conversation highlights the dramatic increase in chemical exposure when plastic is heated, and offers practical, everyday changes to reduce contact with these harmful substances. This episode is about understanding how everyday exposures shape long-term health and where small swaps can make a meaningful difference.

This summary was generated from show notes and public descriptions, not from a full transcript review. Details may contain inaccuracies.

Canon

Dr. Swan explains the latest evidence linking widespread chemical exposure to a global decline in sperm counts and fertility.

Highlights

How Plastics Disrupt Hormones
Dr. Swan details how chemicals like microplastics, phthalates, BPA, and PFAS mimic or block hormones in the body, leading to reproductive, metabolic, and developmental problems.
Heating Plastic Increases Chemical Leaching
Heating plastic containers, especially in the microwave, causes endocrine-disrupting chemicals to leach into food at much higher rates, dramatically increasing exposure.
Practical Steps to Reduce Exposure
Dr. Swan offers practical, everyday changes to minimize contact with endocrine disruptors, including switching to glass containers, avoiding plastic wrap, and reading product labels.
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