GLP-1 drugs fail to help some people lose weight — scientists are on a quest for answers

Many people using GLP-1 drugs, which are popular for weight loss, experience significant weight reduction, but 10-15% see little to no change. Scientists are puzzled by this variability and are investigating factors like biological sex, genetics, and behavior to understand why some people respond better than others. Women, especially those on hormone-replacement therapy, tend to lose more weight, suggesting that estrogen might enhance the drug’s effects. Research is still in early stages, but understanding these differences could lead to personalized treatments for obesity. The Endocrine Society emphasizes the importance of this research, aiming to develop more effective medications and tailor treatments to individuals’ needs. QUESTION: How might understanding the role of genetics and hormones in weight loss influence future treatments for obesity?