While it's hard to disentangle what exactly is responsible for your sense of happiness, four chemicals can take a big chunk of the credit: dopamine, serotonin, endorphins, and oxytocin.

Serotonin syndrome is a preventable, drug-related complication that results from increased brain-stem serotonin activity, usually precipitated by the use of one or more serotonergic drugs. Its ...

A collaborative effort between Mount Sinai and Memorial Sloan Kettering Cancer Center has shed valuable light on how ...

Serotonin broadly regulates mood ... The study sheds light on how early-life adversity affects the structure and function of the nervous system later in life. However, it is important to note ...