The Body of Evidence 171 - Worms: if you're squeamish, you may want to skip this episode
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Feb 12, 2026 Kim Moon, pharmacist and parasite enthusiast, explains why intestinal worms are getting attention. She discusses social media-fueled parasite fears and wellness cleanses. She explains how climate change, failing sanitation, and specific threats like hookworm, Chagas, Giardia, Cryptosporidium, and echinococcus are shifting risks. Practical testing and when to take parasites seriously are explored.
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Why Parasite Fears Spread
- Parasite symptoms are nonspecific and overlap with common issues like diet and stress.
- Social media and wellness narratives amplify fears despite low likelihood in wealthy, non-traveling populations.
Worms Are Largely An Infrastructure Problem
- Over a billion people worldwide have soil-transmitted helminths, concentrated in low-income regions.
- Many infections reflect infrastructure failures like lack of clean water and proper sewage systems.
Hookworm Outbreak In Alabama
- A 2017 Baylor study in Lowndes County, Alabama found over a third of participants had hookworm despite no travel history.
- Infected fecal matter in soil and straight-pipe sewage explained local transmission and reinfection.