
WeightJune 25, 2026
Weight loss drugs don't work for everyone—here’s why
Some people who take GLP-1 drugs such as semaglutide and tirzepatide see little to no changes to their weight. The reason why may be genetics
Nadine Wehida is a Senior Lecturer in Genetics and Molecular Biology at Kingston University, London

Weight loss drugs don't work for everyone—here’s why
Some people who take GLP-1 drugs such as semaglutide and tirzepatide see little to no changes to their weight. The reason why may be genetics