The COVID pandemic continues and lockdowns have come and gone, but long COVID still remains an urgent puzzle that scientists are trying to solve. Studies say it affects anywhere from 7.5 to 41 percent ...

Imagine your brain is Instagram. Then serotonin—a neurotransmitter that governs your mood—is the tech that allows one brain nerve cell to slip into another’s DMs. These messages tell your body what to ...

Serotonin is often referred to as the "happiness molecule." It plays a critical role in affecting mood levels and is also a neurotransmitter that sends signals within the brain and the body.

Serotonin is a chemical produced mostly in our digestive tract. 1 Despite its humble beginnings in the gut, serotonin has the important job of deciding which brain cells to "turn off" (inhibit) during ...

If you scroll on social media and come across a video captioned "watch this for a serotonin boost," you might be left wondering what serotonin is and what role it plays in your body. "Serotonin is a ...

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 ...

A new study suggests this may lead to symptoms seen in long COVID patients. Decreased levels of serotonin in the body may be a contributing factor in the development and persistence of so-called 'long ...

Serotonin is often identified as the neurochemical used in drugs that combat depression, but a Cornell study may have discovered more ways that the chemical may function in the brain — including ...

In our day-to-day lives, we’re constantly making a slew of decisions from immediate matters to prospects on the far horizon. But the evolutionary nuts-and-bolts of how our brains weigh these numerous ...

A better night’s sleep may just be a matter of choosing the right bedtime snack. Reviewed by Dietitian Maria Laura Haddad-Garcia Snacking specific foods before bedtime may help you fall asleep faster ...

Snacking specific foods before bedtime may help you fall asleep faster and have a good night's sleep. Choose one that's high in tryptophan, an amino acid that your body uses to produce serotonin and ...