The food we eat affects us in many ways. A recent study from Massachusetts General Hospital and Harvard Medical School found a link between the consumption of ultra-processed foods and an increase in the risk of depression. In this NewsHour program, Ali Rogin speaks with Olivia Okereke, an associate professor of psychiatry at Harvard Medical School who worked on the study, to learn more.

Originally released by NewsHour Productions LLC, 2023. Streaming video file encoded with permission for digital streaming by Infobase on March 11, 2024.