The Link Between GLP-1 Medications and Hair Loss Why Hair Loss Happens When people on GLP-1s lose hair, the cause is likely to be the stress that rapid or significant weight loss can put on the body, explains Reema Dbouk, MD , an internist in Atlanta and a spokesperson for the Obesity Society. “Hair follicles are very sensitive to changes in nutrition, metabolism, and overall health,” says Dr. Dbouk, and this can “temporarily shift resources away from hair growth.” The…