First, a quick refresher on serotonin. It’s a critical chemical that helps our brain communicate with the rest of our body, including our central nervous system, and plays a role in numerous body ...

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.

A team of scientists is proposing a new explanation for some cases of long Covid, based on their findings that serotonin levels were lower in people with the complex condition. In their study, ...

A type of drug already taken by more than 8 million people in the UK could help the immune system fight cancer and shrink tumours, a study finds. The widely used class of antidepressant - selective ...

Amy Mackelden is a freelance writer living with multiple sclerosis, ADHD, PCOS and anxiety. She's written about health and wellness for Healthline, The Paper Gown, SingleCare, the MS Society and ...

Dopamine and serotonin are brain chemicals implicated in a range of neurological disorders including Parkinson’s and depression, so understanding how they work could be key to the development of more ...

Serotonin is known to regulate digestion at multiple levels within the human gastrointestinal, and up to 95% of the mood-regulating hormone is released into the gut by certain intestinal cells. What's ...

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 ...

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 ...

We’ve evolved enough as a species to know that too much of a good thing is actually a bad thing — even excessive amounts of water and exercise can have adverse effects. But serotonin? The hormone and ...