Serotonin is a neurotransmitter that plays a crucial role in a variety of bodily functions. It is primarily known as a mood regulator. Here are some key functions of serotonin:

• Mood Regulation:

  Serotonin helps stabilize mood and feelings of well-being and happiness. It is often linked to conditions like depression and anxiety when levels are imbalanced.

• Sleep:

  Serotonin is involved in regulating sleep-wake cycles. It can be converted into melatonin, a hormone essential for sleep.

• Appetite:

  It helps control appetite and is associated with feelings of satiety.

• Digestion:

  Most of the body's serotonin is found in the gut, where it helps regulate bowel movements and digestive function.

• Blood Clotting:

  Serotonin contributes to the formation of blood clots by constricting blood vessels.

• Bone Density:

  Serotonin levels can affect bone density, although the exact mechanisms are still being researched.

• Sexual Function:

  Serotonin influences sexual desire and function.

For more detailed information, you can refer to these resources:

• Cleveland Clinic - Serotonin
• Medical News Today - What is serotonin and what does it do?