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Tag: Adipokines

September 3, 2026

Leptin and Leptin Resistance: Function, Testing, and Limits

How leptin signals long-term energy availability, why high levels do not diagnose “leptin resistance,” and when serum leptin measurement may add useful clinical context.

What is leptin, and should it be tested for weight loss? Leptin is a hormone made mainly by fat cells. It carries information about stored energy to the brain, especially the hypothalamus, and helps coordinate […]

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