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  1. 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, …

  2. 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 …

  3. 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.

  4. Serotonin - Wikipedia

    Serotonin is targeted by several classes of antidepressants, including selective serotonin reuptake inhibitors (SSRIs) and serotonin–norepinephrine reuptake inhibitors (SNRIs), which block …

  5. 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 …

  6. What is serotonin, and what does it do? - Medical News Today

    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 …

  7. 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.

  8. Serotonin: What Is It & What Does It Do? - eMedicineHealth

    Serotonin is a hormone that helps to stabilize moods, regulate feelings of well-being and happiness, regulate anxiety, and control sleep. Serotonin affects the entire body and can also …

  9. What serotonin does for your body and natural ways to increase …

    4 days ago · Learn how serotonin supports mood, sleep, and digestion, and discover natural ways to improve your levels every day.

  10. What Is Serotonin and What Does It Do? - erdemhospital.com

    Jun 10, 2025 · Serotonin is a neurotransmitter, a chemical messenger that carries signals between nerve cells in the brain and throughout the body. Chemically known as 5 …