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. Ali Rogin speaks with Olivia Okereke, an associate professor of psychiatry at Harvard Medical School who worked on the study, to learn more.
The actual paper discusses the reverse causation hypothesis and using data over a 4 year period: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10512104/