The level of serotonin in the brain is
A) decreased by a diet high in sugar.
B) decreased by a diet high in salt.
C) increased by a diet high in protein.
D) increased by a diet high in carbohydrates.

Question

Quizplus · Accepted Answer

Serotonin production is stimulated by the uptake of the amino acid tryptophan, which is more readily available to the brain when carbohydrates are consumed. Therefore, a diet high in carbohydrates can increase the level of serotonin in the brain.

The Level of Serotonin in the Brain Is