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The Daily Ardmoreite
  • Carbs, not turkey, are behind Thanksgiving sleepiness

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  • OKLAHOMA CITY — It seems like two things happen every Thanksgiving. First, everybody gets sleepy after indulging in a big meal. Then somebody blames it all on tryptophan, a chemical found in turkey that's reputed to have nap-inducing powers.
    Not so fast.
    "Although tryptophan is a key ingredient in making a brain chemical associated with relaxation and sleep, it's probably not what is inspiring Uncle Jeff to take a nap on the couch." said Oklahoma Medical Research Foundation President Stephen Prescott, M.D. "
    Turkey does contain tryptophan, an amino acid that's essential for producing serotonin, which regulates mood and can induce sleepiness. But a serving of the Thanksgiving bird doesn't contain any more of the amino acid than other forms of protein.
    "The turkey coma is just a myth," said Prescott. If anything, the culprit is probably sitting next to the main dish. Eating carbohydrate-rich foods like dinner rolls, mashed potatoes, and stuffing causes a chain reaction that ends with the creation of the sleep-causing chemical melatonin in the brain."
    So if you want to stay awake for afternoon football, don't worry about the turkey; just take it easy on the carbs. Indeed, the first Thanksgiving meal is thought to have consisted of more protein and fiber and less sugar and starch, with the colonists and native peoples sharing a feast that might have contained lobster, cod, bass, deer, rabbit, chicken, squash, beans, chestnuts, onions, leeks, dried fruits, honey, radishes, cabbage, carrots and eggs.
    "Variety is the spice of life, but it's also important to intestinal health," Prescott said. "When we eat just a few foods over and over again, we're depriving our bodies of essential nutrients. That can lead to irritable bowel syndrome and other gastrointestinal disorders."
    To get the right mix of vitamins, amino acids, minerals and fatty acids, it's important to eat a wide range of foods. No one has to eat them all in one sitting—moderation is still a good idea—but the first Thanksgiving meal does have the kind of diversity that would be healthy in the long run.
    "Mixing up your diet is a smart and delicious way to improve your health," Prescott said. "And even your doctor will understand if you end the meal with a slice of pumpkin pie. After all, it is Thanksgiving."

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