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In moderate doses, alcohol narcotizes the appestat and enhances appetite (the original reason for the cocktail); but because liquor has a high caloric value100 calories per oz.the heavy drinker is seldom hungry. In rare cases, diseases such as encephalitis or a pituitary tumor may damage the appestat permanently, destroying nearly all sense of satiety.
Food for Frustration. Far more frequently, overeating is the result of a psychological compulsion. It may be fostered by frustration, depression, insecurityor, in children, simply by the desire to stop an anxious mother's nagging. Some families place undue emphasis on food: conversations center on it, and rich delicacies are offered as rewards, withheld as punishment. The result says Jolliffe: "The child gains the feeling that food is the purpose of life." Food may act as a sedative, giving temporary emotional solace, just as, for some people, alcohol does. Reports Dr. Keys: "A fairly common experience for us is the wife who finds her husband staying out more and more. He may be interested in another woman, or just like being with the boys. So she fishes around in the cupboard and hauls out a chocolate cake. It's a matter of boredom, and the subconscious feeling that she is entitled to something, because she's being deprived of something else." For the army of compulsive eatersfrom the nibblers and the gobblers to the downright gluttonsreducing is a war with the will that is rarely won. Physiologist Keys flatly dismisses such appetite depressants as the amphetamines (Benzedrine, Dexedrine) as dangerous "crutches for a weak will." Keys has no such objections to Metrecal, Quaker Oats's Quota and other 900-calorie milk formulas that are currently winning favor from dieters. "Metrecal is a pretty complete food," he says. "It contains large amounts of protein, vitamins and minerals. In the quantity of 900 calories a day, anyone will lose weight on it20, 30 or 40 Ibs." But Keys worries that the Metrecal drinker will never make either the psychological or physiological adjustment to the idea of eating smaller portions of food.
That Remarkable Cholesterol. Despite his personal distaste for obesity ("disgusting"), Dr. Keys has only an incidental interest in how much Americans eat.
What concerns him much more is the relationship of diet to the nation's No. 1 killer: coronary artery disease, which accounts for more than half of all heart fatalities and kills 500,000 Americans a yeartwice the toll from all varieties of cancer, five times the deaths from automobile accidents.