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What Does Serotonin Do?

Published in Neurotransmitter Functions 2 mins read

Serotonin is a crucial chemical messenger that plays a wide range of roles in the body.

Serotonin's Role as a Neurotransmitter

Serotonin acts as a neurotransmitter, carrying messages between nerve cells both in the brain and throughout the rest of the body. This communication system is vital for regulating various bodily functions.

Key Functions of Serotonin

According to the provided reference, serotonin plays a key role in the following functions:

  • Mood Regulation: Serotonin is well-known for its impact on mood. It contributes to feelings of well-being and happiness.
  • Sleep Cycle: Serotonin is involved in regulating sleep patterns and cycles.
  • Digestion: It plays a role in the digestive system, influencing gut motility and function.
  • Nausea: Serotonin is also linked to nausea and the body's response to illness or discomfort.
  • Wound Healing: It is involved in the process of wound healing.
  • Bone Health: Serotonin plays a role in maintaining and regulating bone health.
  • Blood Clotting: It also contributes to the process of blood clotting.
  • Sexual Desire: Finally, Serotonin is also involved in regulating sexual desire.


A Table Summarizing Serotonin's Functions

Function Description
Mood Regulation Influences feelings of well-being and happiness.
Sleep Cycle Helps regulate sleep patterns.
Digestion Plays a role in gut motility and overall digestive function.
Nausea Involved in the body's response to nausea.
Wound Healing Contributes to the process of wound repair.
Bone Health Helps in maintaining bone health and density.
Blood Clotting Involved in the blood clotting process, which prevents excessive bleeding.
Sexual Desire Plays a part in regulating sexual desire and function.


Serotonin's varied functions highlight its importance in maintaining overall health and well-being. Disruptions in serotonin levels can impact many of these processes.

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