
Serotonin - Wikipedia
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: What Is It, Function & Levels - Cleveland Clinic
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, …
Everything You Need to Know About Serotonin - Verywell Mind
Nov 7, 2025 · Serotonin is a neurotransmitter responsible for regulating mood, digestion, sleep, and more. Learn how serotonin functions and how to balance it.
Serotonin: What High and Low Levels Mean - Healthline
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: The natural mood booster - Harvard Health
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.
What Is Serotonin? - Mental Health America
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 …
Serotonin: Normal and Abnormal Hormonal Function
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. …
What Does Serotonin Do? Neurotransmitter Function
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 …
Serotonin | Definition, Functions, & Facts | Britannica
5 days ago · Serotonin is a biological molecule that acts as a potent vasoconstrictor and neurotransmitter. It is derived from the amino acid tryptophan and occurs in the brain, …
Serotonin: Functions, deficiency, and how to boost - Medical …
Apr 18, 2024 · Serotonin is a natural chemical the intestines and brain produce. It helps send messages between nerve cells and affects mood, emotions, and digestion. The scientific …