noun
- a chemical substance produced in the body that acts as a neurotransmitter and affects mood, sleep, and other bodily functions
Usage: biochemistry
Examples
- Low levels of serotonin are linked to depression.
- The medication works by increasing serotonin in the brain.
- Exercise can naturally boost serotonin production.
- Serotonin helps regulate sleep cycles.
- Many antidepressants target serotonin receptors.
- The gut produces about 90% of the body’s serotonin.