Scientists discover why Ozempic and Wegovy weight loss eventually plateaus

Researchers at the National Institutes of Health (NIH) have uncovered new details about how GLP-1 weight loss drugs such as semaglutide affect brain cells, revealing internal signaling processes that scientists have only begun to understand. The findings, based on experiments in mice, shed light on why these medications work differently from person to person and why their effects often slow down over time.

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