Acting as both a neurotransmitter and hormone, serotonin (also known as 5-hydroxytryptamine or 5-HT) significantly impacts mood, digestion, and sleep patterns. Most serotonin is found in the gut, ...

Happy hormones are neurotransmitters and chemicals that regulate your mood and emotions. Serotonin, dopamine, endorphins, and oxytocin all play different roles in supporting well-being. Exercise, ...

A new study in mice shows that increasing serotonin, one of the major mediators of brain communication, affects motivation - but only in certain circumstances. Furthermore, the study revealed that the ...