Serotonin and dopamine are two neurotransmitters that work in tandem to boost mood and regulate bodily functions like sleep and digestion.

Early research suggests a brain test may predict whether antidepressants will cause sexual dysfunction. There has never been ...

Serotonin is a chemical produced mostly in our digestive tract. 1 Despite its humble beginnings in the gut, serotonin has the important job of deciding which brain cells to "turn off" (inhibit) during ...

You can boost these chemicals through diet, dance, and more.

Aside from carb-rich whole grains, other food sources of serotonin-boosting tryptophan include nuts and pulses like beans and peas as well as animal products such as cheese, eggs, and fish. Below, a ...

Loss of the "happiness" brain hormone serotonin might play a role in the decline of brain function as a person ages, a new study reports. People with mild cognitive impairment (MCI) had up to 25% ...

Low levels of serotonin in the brain are seen as a possible cause of depression and many antidepressants act by blocking a protein that transports serotonin away from the nerve cells. A brain imaging ...

Whether it’s joy or anger, we’re wired to catch and spread emotions. Here's how to inoculate ourselves against negative ones. Years before someone with Parkinson's disease has any movement-related ...

A noninvasive test to flag people at high risk for antidepressant-related sexual dysfunction could improve treatment ...

People with fewer happy chemicals in their brain might be at greater risk of neurodegeneration from Alzheimer's disease, according to new research. Of people with mild cognitive impairment, those with ...

Blocking serotonin transporters with antidepressants boosted CD8 T cell function and enhanced immunotherapy response in mouse and human tumor models. Serotonin transporter (SERT) acted as an immune ...