Who knew fish could hold such power over our mental health? Countries where diets are rich in seafood are not only heart healthy, but they also seem to have the distinction of lowering rates of depression, bipolar disorder, postpartum depression, and suicide.
Researchers believe that omega-3s help optimize brain serotonin levels—a chemical that carries messages from one brain cell to another—and ease its passage through cell membranes. Based on this knowledge, scientists have been studying omega-3s in treating mood disorders, including depression, with mounting evidence to support its role.