Have you ever been having just one of those days, you’re in a bad mood, you’re feeling anxious or irritable, then you get in the car and a song comes on and the sound of the music just…touches ...

Although serotonin is well known as a brain neurotransmitter, it is estimated that 90 percent of the body's serotonin is made in the digestive tract. In fact, altered levels of this peripheral ...

Serotonin sends signals between nerve cells. It may help regulate many body functions, including mood, bowel movements, and sleep. Some medications help boost serotonin levels and improve mood.

A striking fact is that most of our neurotransmitters are produced in the gut. Nearly 80 per cent of serotonin, the “calming” hormone that regulates mood, sleep and even gut motility, is made in the ...

This feel-good hormone plays a key role in everything from sleep and digestion to happiness and contentment—here's how to keep it flowin'. Serotonin is a “feel-good” hormone, or neurotransmitter, that ...