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 one of the primary chemicals that the brain uses to influence mood and behavior, and is a key target for psychiatric drugs. But to aid in the design of improved drugs scientists need to ...

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 is often described as the happiness chemical because of its well-known role in regulating mood. However, recent research suggests this familiar molecule may play an unexpected role in cancer ...

Researchers have discovered tumor-neuron interactions that regulate the growth of ependymoma brain tumors. A study published in Nature reveals the functional relevance of tumor-neuron interactions ...

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 ...