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

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

Researchers have identified a mechanism by which acetylcholine, a neurotransmitter best known for its role in muscle control and attention, can effectively commandeer serotonin release inside the ...

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

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 ...

Serotonin is often referred to as the "happiness molecule." It plays a critical role in affecting mood levels and is also a neurotransmitter that sends signals within the brain and the body.

Scientists have found a particularly interesting way that the brain orchestrates its chemical signaling. A newly invented scientific technique shows, for the first time, how one neurological chemical ...

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 ...

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 ...

Serotonin is nature's own appetite suppressant. This powerful brain chemical curbs cravings and shuts off appetite. It makes you feel satisfied even if your stomach is not full. The result is eating ...