In our day-to-day lives, we're constantly making a slew of decisions, from immediate matters to prospects on the far horizon. But the evolutionary nuts-and-bolts of how our brains weigh these numerous ...

Serotonin is a chemical produced mostly in our digestive tract. 1 Despite its humble beginnings in the gut, serotonin has the important job of deciding which brain cells to "turn off" (inhibit) during ...

Acting as both a neurotransmitter and hormone, serotonin (also known as 5-hydroxytryptamine or 5-HT) significantly impacts mood, digestion, and sleep patterns. Most serotonin is found in the gut, ...

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 ...

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 ...

In a recent study in Nature Communications, researchers increased synaptic serotonin through a selective serotonin-releasing agent (SSRA), fenfluramine, to investigate its impact on human behavior.

Serotonin 1A receptor is a G protein-coupled receptor of the serotonergic system expressed both presynaptically as an autoreceptor in raphe nuclei and postsynaptically across limbic and cortical ...

Researchers at Karolinska Institutet have uncovered how serotonin-related metabolism helps regulate an understudied immune ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Imagine your brain is Instagram. Then serotonin—a neurotransmitter that governs your mood—is the tech that allows one brain nerve ...

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 ...