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Can milk make you happy Can fish make you smart Imagine yourself lying in bed, your mind in turmoil. You toss and turn, but sleep won t come. Maybe a bedtime snack would help. What should you choose If you think first of toaster waffles or popcorn, some experts would say you re on the right track. Foods high in complex carbohydrates-such as cereals, potatoes, pasta, crackers, or rice cakes-make many people relaxed and drowsy. Missed that one Try again. Suppose the weather s rotten, you forgot your homework, and your best friend s mad at you. What s good medicine when you re feeling low A sugary cola or candy may give you a quick lift, but you ll crash just as quickly. Better choices may be Brazil nuts , skim milk , or a spinach salad . In research studies, all three of those nutrients have been shown to lift spirits and battle the blues. Try one more. You have a math test coming up in the afternoon. You want to be sharp, but you usually feel sleepy after lunch. Is your best choice an energy fix of fries and a shake or a broiled chicken breast and low fat yogurt If you pick the high fat fries and shake, you may feel sluggish and blow that test. The protein rich chicken and yogurt are better choices. Protein foods energize, some experts say. How does food affect mood and mind The answer may lie in the chemistry of the brain and nervous system. Molecules called neurotransmitters are chemical messengers. They carry a nerve impulse across the gap between nerve cells. The release of neurotransmitter molecules from one neuron and their attachment to receptor sites on another keep a nerve impulse moving. | 
