Live Well Be Well with Sarah Ann Macklin | Health, Lifestyle, Nutrition cover image

The Biology of Health & Longevity | Top Expert Insights from 2025

Live Well Be Well with Sarah Ann Macklin | Health, Lifestyle, Nutrition

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How to find zone 2 without wearables

Iñigo offers the talk test: sustained, slightly effortful conversation marks zone 2 and maximal fat oxidation.

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