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Mouse brain study reveals why blockbuster weight-loss drugs may work differently in females and males

The study reveals sex-specific brain patterns of GLP-1, with females showing higher density in appetite-control regions and males in olfactory areas, explaining drug efficacy differences.

Summary by Medical Xpress
The drugs have names that sound like small planets: semaglutide, liraglutide, lixisenatide. Collectively, they belong to a class of glucagon-like peptide 1 (GLP-1) analogs that has reshaped the treatment of obesity and diabetes so thoroughly that the word "blockbuster" barely covers it. And yet, for all the billions of dollars spent, for all the prescriptions written, a fundamental question has lingered like a low hum beneath the clinical noise:…

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Medical Xpress broke the news in on Tuesday, March 10, 2026.
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