Every Thanksgiving, myths of the quasi-magical powers of tryptophan rise again. There’s the turkey/drowsiness myth: Eating lots of juicy turkey meat supposedly makes people feel tired because it ...

Hint: It's probably more than the bird making you sleepy. Tryptophan is an essential amino acid that’s a vital building block for protein in the body. There are 20 known amino acids, nine of which ...

With Thanksgiving coming up, you may have heard about the effects of turkey on the brain. The theory goes that turkey contains high levels of tryptophan, which is a key ingredient of serotonin and ...

"No more so than tuna fish. It's a myth," Dr. Marc Eisenberg, a clinical cardiologist and associate professor of medicine at the Columbia University Medical Center in New York, tells TODAY.com.

Tryptophan is one of 20 essential, naturally occurring amino acids, which are the building blocks of proteins. Your body is not able to manufacture its own tryptophan; therefore, it must get it from ...

It's a familiar scene: Gravy-stained plates piled high in the sink, pumpkin pie browning in the oven, trails of cranberry sauce splattered across the floor, and in the next room, serenaded by the ...

You might want to sit down for this, preferably at the dinner table, because everything you thought you knew about your Thanksgiving feast is a lie. Well, not everything, but definitely the part about ...

The legend of tryptophan in turkey having the power to make people sleepy has become almost as famous as the bird's white and dark meat. But does Thanksgiving turkey actually induce drowsiness? "No ...