Sugar and carbohydrates appear to raise the absorption of tryptophan in the brain, which in turn raises serotonin levels. Vitamin B6, which is found in whole grains and shellfish, is important to serotonin synthesis; low levels of B6 may precipitate a depression. Low cholesterol has been linked to depressive symptoms. The studies aren’t in, but a good diet of lobster and chocolate mousse may do much towards improving one’s state of mind.
