Why Freedivers Might Lose Fat Faster” There’s no single answer and no direct study on fat loss from freediving yet. But there are several interesting possibilities that could explain why many freedivers myself included lose fat faster than in other sports. ⸻ 💨 1️⃣ Oxygen Use & Hypoxia When sugar and oxygen drops, the body may shift from burning sugar to burning fat a slower but more efficient fuel. Over time, this could improve fat oxidation even at rest. It’s possible that free diver become more efficient at burning fat . 📖 Huynh et al., J Mol Cell Biol 2024; Kjeld et al., PLoS ONE 2018 ⸻ ❄️ 2️⃣ Cold Water Exposure Cold water removes heat 25× faster than air. To compensate, the body activates brown fat, burning stored fat to maintain core temperature. 📖 van der Lans et al., J Clin Invest 2013 ⸻ 🧘 3️⃣ Stress & Hormones Freediving often lowers cortisol and appetite helping the body stay in a fat-burning state longer after diving. 📖 Epel et al., Psychoneuroendocrinology ...