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Leptin’s Role in Obesity

The story of how the hormone leptin went from ‘cure for obesity’ to afterthought

Dr. Jason Fung
7 min readApr 25, 2024

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How the human body stores energy (calories)

The human body stores energy in two main forms –

1. Glucose (sugar)

2. Fat (body fat).

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Dr. Jason Fung

Nephrologist. New York Times best selling author. Interest in type 2 diabetes reversal and intermittent fasting. Founder www.TheFastingMethod.com.