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 collaborative study involving Baylor College of Medicine, the University of Cambridge and the University of Exeter Medical School reveals a new gene associated with obesity and maladaptive behavior.

Cognitive deficits accompany mood disorders and other psychiatric conditions, often with debilitating effects. Limited treatments currently exist, but studies in animals and humans have pointed to ...

Serotonin syndrome occurs when a person takes drugs that cause excess levels of serotonin to accumulate in the body. Symptoms can include agitation, a dry mouth, dilated pupils, confusion, and more.

Serotonin is a neurotransmitter important for mood, digestion, and sleep. You can increase serotonin levels naturally through exercise and sunlight. Serotonin is a naturally occurring monoamine ...

Serotonin helps you feel happier, calmer, and more focused. Dopamine makes you feel motivated, accomplished, and productive. Serotonin and dopamine deficiencies have been linked to conditions like ...

Just about every article on the biology of happiness talks about the neurotransmitter serotonin and why it’s so important to our mood. While the serotonin system is certainly a key player in our mood, ...

Serotonin has become much more than a hormone: it's a wellness buzzword that allegedly carries the weight of our wellbeing. You may have heard it dubbed the 'happy hormone', or seen it discussed in ...

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 ...