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, nausea, wound …

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 (CNS) and also …

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 stabilizer.

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 well …

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. Researchers have linked too …

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 in the …

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.

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 mood …