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.

Love isn't just poetry, it's neurobiology. Dopamine fuels desire and reward, oxytocin strengthens bonding and trust, and ...

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 ...

This post was written with a contribution from Margaret Heaton-Ashby, LMFT. Your nerve cells are constantly in a state of production to create the chemical serotonin, which is made from the essential ...

Research shows that reward-based learning requires the two neuromodulators to balance one another's influence -- like the accelerator and brakes on a car If you've heard of two of the brain's chemical ...

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 ...

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 ...

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 ...