
A Scientifically Superior Christmas Dinner
BBC Inside Science
00:00
Christmas Foodstuffs That Enhance Sleep
Tryptophan is an essential amino acid that is a precursor to serotonin which enhances sleep. Smoked salmon, chicken and tofu are all high in tryptophan at Christmas time. Marley Chesterton: "I just need to moderate the tyromine and the alcohol in general"
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