
Serotonin: What Is It, Function & Levels - Cleveland Clinic
Mar 18, 2022 · Serotonin is a chemical that carries messages between nerve cells, telling your body how to perform various functions. Serotonin plays a role in mood, digestion and sleep.
Neurotransmitters: What They Are, Functions & Types
Mar 14, 2022 · Serotonin helps regulate mood, sleep patterns, sexuality, anxiety, appetite and pain. Diseases associated with serotonin imbalance include seasonal affective disorder, anxiety, …
Selective Serotonin Reuptake Inhibitors: Uses & Side Effects
Sep 26, 2025 · SSRIs (selective serotonin reuptake inhibitors) are a common type of antidepressant. They work by changing the activity of serotonin, a chemical that affects your mood, as well as many …
SNRIs (Serotonin and Norepinephrine Reuptake Inhibitors)
SNRIs (serotonin and norepinephrine reuptake inhibitors) are commonly prescribed, and for good reason. These medications can help with more than just depression, from easing nerve pain to …
Serotonin Antagonist: What It Is, Uses, Side Effects & Risks
About 90% of your serotonin is in the cells that line your gastrointestinal tract. Serotonin has several roles, including regulating your mood, digestion, sleep and more.
Endorphins: What They Are and How to Boost Them
May 19, 2022 · Is serotonin an endorphin? No. Endorphins and serotonin are both chemicals in your body that make you happy, but they function in different ways. Serotonin helps stabilize your mood …
Dopamine: What It Is, Function & Symptoms - Cleveland Clinic
Mar 23, 2022 · It plays a role in many important body functions, including movement, memory and pleasurable reward and motivation. High or low levels of dopamine are associated with several …
Serotonin Syndrome: What It Is, Causes, Symptoms & Treatment
Mar 24, 2022 · Serotonin syndrome happens most often when you either take a new drug or take an increased dose of a drug that increases the level of serotonin in your body. If your body processes …
Pineal Gland: What It Is, Function & Disorders - Cleveland Clinic
Since the pineal gland was the last of the endocrine glands to be discovered — and scientists still aren’t fully sure of all of its functions — the pineal gland has long been a “mysterious” organ.
Amino Acid: Benefits & Food Sources - Cleveland Clinic
Dec 22, 2021 · Tryptophan: Tryptophan helps maintain your body’s correct nitrogen balance. It also helps make a brain chemical (neurotransmitter) called serotonin. Serotonin regulates your mood, …