The levels of the neurotransmitter _______________ will decrease in the human body after having a protein-rich meal.
A) acetylcholine
B) dopamine
C) serotonin
D) GABA

Question

Quizplus · Accepted Answer

Serotonin levels decrease after a protein-rich meal as the amino acids in protein compete with tryptophan, the precursor to serotonin, for access to the brain. This leads to a decrease in the production of serotonin.

The Levels of the Neurotransmitter _______________ Will Decrease in the Human