Serotonin: What Is It, Function & Levels - Cleveland Clinic
Mar 18, 2022 · 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, …
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 - 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 …
Everything You Need to Know About Serotonin - Verywell Mind
Nov 7, 2025 · Serotonin is a neurotransmitter important for mood, digestion, and sleep. You can increase serotonin levels naturally through exercise and sunlight. Serotonin is a naturally …
Physiology, Serotonin - StatPearls - NCBI Bookshelf
Jul 30, 2023 · Serotonin, or 5-hydroxytryptamine (5-HT), is a neurotransmitter with an integral physiological role in the human body; it regulates various activities, including behavior, mood, …
Serotonin: What High and Low Levels Mean - Healthline
Jul 3, 2024 · Serotonin is both a neurotransmitter and a hormone. This chemical is produced by nerve cells and sends signals between them. Serotonin is found in many parts of the body, …
Serotonin: Functions, deficiency, and how to boost
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 …
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. This hormone is responsible …
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 Are Serotonin Hormones and How Do They Function?
Serotonin is a versatile molecule that functions as both a neurotransmitter and a hormone. In the brain, it acts as a neurotransmitter, carrying signals directly between nerve cells, or neurons. …