Serotonin and dopamine are two neurotransmitters that work in tandem to boost mood and regulate bodily functions like sleep and digestion.

November 23, 2000–Researchers studying the roundworm Caenorhabditis elegans have identified a new type of serotonin receptor. If this type of receptor is found in humans, it may become an additional ...

In 2023, an estimated 11.4% of adult Americans took antidepressants. Here's how the class of medication can help depression symptoms.

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 ...

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 ...

Light therapy involves spending 20-30 minutes a day in front of a light box, which can help regulate happiness hormones like ...

Early research suggests a brain test may predict whether antidepressants will cause sexual dysfunction. There has never been ...

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 new study suggests this may lead to symptoms seen in long COVID patients. Decreased levels of serotonin in the body may be a contributing factor in the development and persistence of so-called 'long ...

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 ...