Dopamine and serotonin are both neurotransmitters — chemical messengers that transmit signals between cells — which regulate bodily functions like mood, sleep, and digestion. While dopamine ...

While it's hard to disentangle what exactly is responsible for your sense of happiness, four chemicals can take a big chunk of the credit: dopamine, serotonin, endorphins, and oxytocin.

Your body’s feel-good chemicals Nutrients in food can promote the production of your body’s feel-good chemicals: serotonin and dopamine. Serotonin regulates your mood and promotes sleep.

This implies that dopamine and serotonin systems work together to drive learning, but exactly how works remained hotly debated in the field,” explained study author Daniel F. Cardozo Pinto ...

treatments do exist to control symptoms - and they focus on restoring dopamine levels. But the KCL research team, writing in Lancet Neurology, suggest that changes in the brain's serotonin levels ...