Nicotine is an addictive substance found in cigarettes and some vaping devices. Over time, continued nicotine use can lead to long-term brain changes. Nicotine is the active ingredient in tobacco, ...

A new study shows dopamine isn’t the brain’s movement “gas pedal” after all. Instead of setting speed or strength, it quietly enables movement in the background, much like oil in an engine. When ...

A groundbreaking clinical trial is testing whether specially engineered stem cells can help the brain restore its own dopamine production in people with Parkinson’s disease. Because the condition is ...

The dopamine hypothesis of schizophrenia is a scientific theory that suggests dopamine directly contributes to schizophrenia symptoms. Research on this theory and other causes of schizophrenia is ...

Dopamine is a neurotransmitter in your brain that contributes to feelings of alertness, focus, motivation, and happiness. A flood of dopamine can make you feel euphoric. Share on Pinterest You might ...

For human beings, dopamine is kind of where it's at. Overall levels and the left-brain versus right-brain amounts of dopamine are major distinguishing factors between our brains and those of our ...