Serotonin (/ ˌsɛrəˈtoʊnɪn, ˌsɪərə -/) [6][7][8], also known as 5-hydroxytryptamine (5-HT), is a monoamine neurotransmitter with a wide range of functions in both the central nervous system …

Serotonin is a chemical that carries messages between nerve cells in the brain and throughout your body. Serotonin plays a key role in such body functions as mood, sleep, digestion, …

Nov 7, 2025 · Serotonin is a neurotransmitter responsible for regulating mood, digestion, sleep, and more. Learn how serotonin functions and how to balance it.

Jul 3, 2024 · Serotonin affects every part of you — from your emotions to your motor skills. It helps with sleeping, healing, and digesting. Serotonin is also thought to be a natural mood …

Serotonin can stave off depression and provide a feeling a euphoria. When you feel happy and all seems right with the world, you're feeling the effects of serotonin.

Jun 18, 2025 · Serotonin is a neurotransmitter that regulates mood, sleep, appetite, and cognitive functions. Though primarily found in the intestines, its presence in the brain affects emotional …

Sep 2, 2025 · Serotonin, also known as 5-hydroxytryptamine (5-HT), is a neurotransmitter (chemical messenger) that helps regulate various functions in the brain and body. …

You may have heard that serotonin is what makes you feel happy, but it does a lot more than that. In fact, serotonin seems to affect virtually every human behavior, from eating and sleeping to …

Nov 29, 2025 · Serotonin, also called 5-hydroxytryptamine, is a biological molecule that acts as a vasoconstrictor and neurotransmitter. It is derived from the amino acid tryptophan and is found …

Apr 18, 2024 · This article looks at the role of serotonin in the body, drugs that affect serotonin, side effects and symptoms of serotonin deficiency, and how to boost serotonin levels.