60-second Science

Drugs known as glucagon-like peptide-1 receptor agonists, colloquially called GLP-1 medications, have gone from relatively obscure diabetes treatments to blockbuster weight-loss medications. But is the hype backed up by science? In this episode, freelance science journalist Bethany Brookshire joins host Kendra Pierre-Louis to talk about how these drugs mimic natural hormones, why they’re so effective and what the latest research about their broader health effects says. Plus, we discuss what a recently rolled-out GLP-1 pill, the first of its kind approved for obesity, could mean for the future of weight loss. Recommended Reading: Wegovy Weight-Loss Pills Are Now Available in the U.S.—Here’s What That Means“Doctors Are Worried about Prescribing GLP-1s to Certain Patients,” by Bethany Brookshire, in National Geographic. Published online November 20, 2025 “The Unexpected Ways Ozempic-like Drugs Might Fight Dementia,” by Bethany Brookshire, in National Geographic. Published online June 17, 2025  “Is Th