Is Obesity a Disease of the Blood-Brain Barrier? Physiological, Pathological, and Evolutionary Considerations

Abstract excerpt

Leptin has emerged as a major regulator of body adiposity. The majority of humans with obesity have a resistance to leptin. Human and rodent studies indicate that the major cause of this resistance arises from an impaired ability of leptin to cross the blood-brain barrier, with lesser roles played by receptor and post-receptor defects. Evidence from baboons living in the wild is consistent with the hypothesis...

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