Recent research has opened the debate on whether chemical imbalances cause depression, anxiety, and other conditions ...

Scientists have uncovered a powerful strategy that the brain uses to coordinate chemical signaling. In a new study, ...

January 18, 2010 — Individuals with treatment-resistant depression tend to have the G/G genotype associated with higher levels of 5-HT 1A autoreceptors, and turning off some of those autoreceptors ...

Acetylcholine "conductors" in the striatum directly trigger serotonin release, offering new insights into the origins of OCD ...

Researchers have identified a mechanism by which acetylcholine, a neurotransmitter best known for its role in muscle control ...

Serotonin reuptake inhibitors (SRIs) are a class of drugs that affect the brain’s serotonin system, and doctors most commonly prescribe them as antidepressants. SRIs increase the levels of serotonin ...

A type of drug already taken by more than 8 million people in the UK could help the immune system fight cancer and shrink tumours, a study finds. The widely used class of antidepressant - selective ...

Scientists have discovered two human gut microbes that generate serotonin, revealing how microbial chemistry can shape gut movement and nerve connectivity, and opening new possibilities for treating ...

The placenta has long been thought to produce serotonin during pregnancy. But in a new study, Yale researchers shatter the deep-rooted hypothesis — and show that the placenta doesn’t produce serotonin ...

A widely used antidepressant drug could help the immune system fight cancer, according to a new UCLA research study. Selective serotonin reuptake inhibitors, or SSRIs, significantly enhanced the ...

Serotonin is a hormone and neurotransmitter—a chemical messenger that transmits signals between nerve cells in the body. Serotonin has a positive influence on the cardiovascular system and the ...

The U.S. Centers for Disease Control and Prevention (CDC) estimates that one in eight U.S. adults takes an antidepressant, though this is based on data through 2018. As The New York Times reports, ...