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

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 ...

Increasing serotonin can change how people learn from negative information, as well as improving how they respond to it, according to a new study published in the journal Nature Communications. The ...

Major depressive disorder, often called MDD, is one of the most serious and common mental health conditions in the world.

Antidepressants treat symptoms of depression by increasing levels of brain signaling molecules (neurotransmitters) such as serotonin, as with the most widely used type of antidepressant, selective ...

Major depressive disorder (MDD) is a severe form of depression characterized by a persistent low mood, hopelessness, ...

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 ...

A recent Science Immunology study revealed that neonatal gut bacteria produce serotonin and down-regulate monoamine oxidase A (MOA) to limit serotonin breakdown, thereby promoting immune tolerance.