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Do your mind good with milk
Milk is rich in tryptophan, an amino acid needed for the production of serotonin, a mood-boosting brain chemical. Not surprisingly, lower levels of tryptophan coincide with reduced serotonin levels. But your body can't make tryptophan on its own. So it has to come from dietary sources like milk, where the amino acid is plentiful. Otherwise, your mood could suffer from the shortfall. So drink three 8-ounce servings of whole milk a day, which translates to 0.6 grams of tryptophan, enough to lift your spirits when combined with a protein-rich diet, according to Susan M. Kleiner, Ph.D., R.D., author of The Good Mood Diet. Yogurt, cheese, poultry, eggs, bananas, and peanuts are also good sources.
Bottles of milk at a Morrisons supermarket in Grays, U.K.
July 12, 2012