No pill for exercise: Why GLP-1s can’t replace physical activity

May 07, 2026

dan lieberman with skeleton — *Photo by Dylan Goodman/Harvard University | The FAS Current*

Daniel L. Lieberman, Edwin M. Lerner II Professor of Biological Sciences and Professor of Human Evolutionary Biology, explains why exercise remains potent medicine for those trying to manage their weight.

Author: Kermit Pattison

Published: May 6, 2026

Link: Full text