New study finds dopamine neurons are more diverse than previously thought, with implications for Parkinson's disease. Microscopy image of a dopamine neuron subtype that displays activity correlated to ...

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, ...

Dopamine is a type of neurotransmitter that can provide an intense feeling of reward. It has been a long-standing assumption that most, if not all, dopamine neurons solely respond to rewards or reward ...

Serotonin helps you feel happier, calmer, and more focused. Dopamine makes you feel motivated, accomplished, and productive. Serotonin and dopamine deficiencies have been linked to conditions like ...