Are “Healthy” Foods Ruining Your Gut & Hormones?

17 Apr 2025 · 110 min
1:50:26

Ben Greenfield and Jen Cohen discuss how restrictive diets damage your microbiome, why food-allergy tests often give false positives for staple foods, and four distinct cardio workouts that target different systems: VO2 max, lactate tolerance, mitochondrial density, and fat-burning capacity.

Questions this video answers

VO2 max; lactate (pro‑lactic) tolerance; mitochondrial density; fat‑burning capacity.

4×4 minutes at maximum sustainable pace with 4 minutes recovery after each; once every 1–2 weeks.

20 seconds hard, 10 seconds easy, 8 rounds (total 4 minutes); can be done a couple times per week.

Five 30‑second sprints with 2–4 minutes easy recovery between sprints.

12% incline at 3 mph for 30 minutes ("12, 3:30"), or a long hike; used to build fat‑burning capacity.

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