Weight-loss drugs can cut breast cancer risk by up to 30%, studies suggest

One analysis found those who took GLP-1 medications were 30% less likely to develop breast cancer than those not taking weight-loss drugs. Photograph: Munro/Getty Images

Weight-loss drugs can cut the risk of developing or dying from cancer by 30%, doctors have said.

Millions of people already use the drugs to treat obesity. Now a series of studies presented at the world’s largest oncology conference suggest the drugs could play a role in preventing and treating cancer.