Serotonin is often described as the happiness chemical because of its well-known role in regulating mood. However, recent ...

Medically reviewed by Rachel Goldman, PhD, FTOS Key Takeaways Serotonin is a neurotransmitter important for mood, digestion, and sleep.You can increase serotonin levels naturally through exercise and ...

Years before someone with Parkinson's disease has any movement-related symptoms, slight malfunctions of the brain's serotonin system could be an early warning sign that the roots of PD are taking hold ...

Whether it’s joy or anger, we’re wired to catch and spread emotions. Here's how to inoculate ourselves against negative ones. Years before someone with Parkinson's disease has any movement-related ...

A new study from King's College London upends conventional thinking about the origins of Parkinson's disease in the brain. The research reveals distinct changes in the brain's serotonin system can be ...

Loss of the "happiness" brain hormone serotonin might play a role in the decline of brain function as a person ages, a new study reports. People with mild cognitive impairment (MCI) had up to 25% ...

Researchers at Case Western Reserve University School of Medicine have created the first complete model to describe the role that serotonin plays in brain development and structure. Serotonin, also ...

Low levels of serotonin in the brain are seen as a possible cause of depression and many antidepressants act by blocking a protein that transports serotonin away from the nerve cells. A brain imaging ...

Long-term, low doses of THC mitigate many harmful side effects and inflammation caused by HIV and antiretroviral therapy (ART ...

Adolescents with alcohol problems often manifest impulsive, aggressive, and antisocial behaviors. One type of adult alcoholism (Type II) is likewise characterized by antisocial behavior, and may be ...