In USA, people celebrating Thanksgiving day today. Thanksgiving Day is celebrated on the 4th Thursday of November in USA and 2nd Monday of November in Canada. The Turkey is main dish of a traditional Thanksgiving dinner. If you feel sleepy after the big Thanksgiving dinner. The truth is Turkey meat contains lots of an amino acid called L-tryptophan. Once we eat Turkey, L-tryptophan travels in the blood from the digestive system in to brain. In brain the changes L-tryptophan in to other chemical called Serotonin. Serotonin help us sleepy.
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