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Study Links Popular Weight-Loss Drugs to Increased Male Hair Loss

Researchers found a 7% added hair-loss risk in men already genetically prone to androgenetic alopecia after GLP-1 drug use, the study said.

  • On Thursday, NYU Langone Health researchers published a study in the Journal of Investigative Dermatology linking GLP-1 medications like Ozempic to a 7 percent added risk of hair loss in men genetically predisposed to androgenetic alopecia.
  • Prescriptions for these medications have more than tripled since 2020, with patients often attributing hair thinning to rapid weight loss, though researchers now suggest a biological mechanism beyond weight loss alone.
  • The team analyzed genetic data from more than 31,000 men and women and more than 205,000 men, adjusting for hypertension, insulin resistance, and lowered testosterone; the 7 percent risk remained constant across all adjustments.
  • Senior investigator Lynn Petukhova suggested that if future experiments succeed, "some men, and possibly women too, could be screened and benchmarked for their risk" before receiving prescriptions; current prescribing guidance has not changed.
  • Petukhova plans to investigate whether these genetic links apply to women; the study was funded by National Institutes of Health grants, and investigators disclose paid consulting relationships with Pfizer, Lilly, Ro, Priovant, Veradermics, and Aquis.
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Recent reports suggest that an increasing number of men are experiencing hair loss after initiating treatment with GLP-1 drugs

·Los Angeles, United States
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Medical Xpress broke the news in Douglas, United Kingdom on Thursday, September 3, 2026.
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