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Story summary
- An observational study of 111,000 U.S. women linked GLP-1 weight-loss drugs to about a 30 % lower breast-cancer incidence.
- Researchers say obesity, which disproportionately affects U.S. women, is a modifiable risk factor for breast cancer.
- Federal data show more than 100 million Americans have obesity, which raises breast-cancer risk through chronic inflammation.
- Researchers plan a clinical trial to test whether GLP-1 drugs can further reduce breast-cancer rates among high-risk women.
