How GLP-1 Drugs Actually Work

Your Gut Talks to Your Brain — The GLP-1 Hormone

Understand what GLP-1 is, where it comes from, and why it has such powerful effects on appetite, blood sugar, and the brain's reward system.

How Ozempic, Wegovy, and Mounjaro Work

Distinguish between the major GLP-1 drugs — semaglutide and tirzepatide — understand how they differ mechanistically, and know why the same molecule comes in different branded products.

Beyond Weight Loss: Addiction, Alzheimer's, and the Heart

Understand why GLP-1 receptors in the brain are generating research interest far beyond obesity — including in addiction, neurodegeneration, and cardiovascular disease.

The Food Industry, the Body, and What Changes Next

Understand how GLP-1 drugs are reshaping the food industry, what questions remain about long-term use, and what the broader implications are for how we think about obesity and public health.