The brain chemicals behind your mood, sleep, and body functions Medically reviewed by Shaheen Lakhan, MD, PhD, FAAN Ever wonder what's going on in your brain when a certain mood strikes? You can thank ...

Scientists have determined structures of a transporter protein involved in the movement of neurochemicals such as serotonin and dopamine, unearthing multiple mechanisms that can guide drug development ...

Neurodegenerative disease profoundly affects structures and pathways responsible for memory, cognition, and higher-order ...

In 1921, Otto Loewi woke from a dream with the idea for an experiment that proved nerves communicate using chemicals, not just electricity. By showing that stimulating one frog’s heart released a ...