Serotonin syndrome occurs when a person takes drugs that cause excess levels of serotonin to accumulate in the body. Symptoms can include agitation, a dry mouth, dilated pupils, confusion, and more.

Although serotonin is well known as a brain neurotransmitter, it is estimated that 90 percent of the body's serotonin is made in the digestive tract. In fact, altered levels of this peripheral ...

2. How is serotonin made? Serotonin is made via a unique biochemical conversion process. It begins with tryptophan, a building block to proteins. Cells that make serotonin use tryptophan hydroxylase, ...

Serotonin is a neurotransmitter, or chemical messenger, that controls and stabilizes your mood and functions in your brain. What might surprise you is that it’s also crucial to the functions of your ...

In the early stages of serotonin syndrome people may experience mild serotonin syndrome, which causes symptoms such as tremors, dizziness, and headache. Serotonin syndrome, or serotonin toxicity, is a ...

Nicole McDermott has worked in the creative content space for the last decade as a writer, editor and director. Her work has been featured on TIME Healthland, Prevention, Shape, USA Today, HuffPost, ...

Serotonin deficiency occurs when serotonin doesn’t act as well as it should in your body. This can happen if your body doesn’t produce enough serotonin or if it doesn’t use serotonin efficiently.

The placenta has long been thought to produce serotonin during pregnancy. But in a new study, Yale researchers shatter the deep-rooted hypothesis — and show that the placenta doesn’t produce serotonin ...

Serotonin helps you feel happier, calmer, and more focused. Dopamine makes you feel motivated, accomplished, and productive. Serotonin and dopamine deficiencies have been linked to conditions like ...

Exercising regularly can increase your serotonin levels and improve your mood. Stress and a lack of sun exposure can decrease your serotonin levels. Managing your serotonin levels involves stress ...

Serotonin is nature's own appetite suppressant. This powerful brain chemical curbs cravings and shuts off appetite. It makes you feel satisfied even if your stomach is not full. The result is eating ...

Serotonin is a hormone and neurotransmitter—a chemical messenger that transmits signals between nerve cells in the body. Serotonin has a positive influence on the cardiovascular system and the ...