I am a relatively fast-acting chemical messenger that affects mood, hunger, sleep, and arousal. What am I?

Name: I am a relatively fast-acting chemical messenger that affects mood, hunger, sleep, and arousal. What am I?
Brand: Quizplus
Rating: 4.9 (50 reviews)

Question

Quizplus · Accepted Answer

Serotonin is a neurotransmitter that affects mood, hunger, sleep, and arousal. It is known as the "feel-good" neurotransmitter and is often associated with feelings of happiness and well-being. Low levels of serotonin have been linked to depression and anxiety.

I Am a Relatively Fast-Acting Chemical Messenger That Affects Mood