A widely used neurotransmitter for treating mental health conditions may have unintended consequences for auditory perception ...

Serotonin is a chemical that plays an essential function in mood, sleep and well-being. Low levels of serotonin can contribute to depression, anxiety and other challenges. You may be able to increase ...

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.

Higher levels of serotonin may worsen tinnitus, a new study in mice suggests. So, what does this mean for SSRI users?

Add Yahoo as a preferred source to see more of our stories on Google. Eat your way to a happier mood, better digestion and deeper sleep? Sign us up! It turns out your favorite comfort foods like mac ...

A new study published in Nature Communications reveals that a brain chemical called acetylcholine can directly trigger the ...

Serotonin is a neurotransmitter that plays a major role in regulating mood, sleep, digestion, and overall emotional well-being. Often referred to as the "feel-good" chemical, serotonin helps stabilize ...

We could all use a little extra serotonin in our lives. Luckily, one of the easiest ways to give yourself a natural boost is through some of your favorite foods, according to Healthline. These foods ...

Loss of the "happiness" brain hormone serotonin might play a role in the decline of brain function as a person ages, a new study reports. People with mild cognitive impairment (MCI) had up to 25% ...

New research has uncovered evidence that remnants of the COVID-19 virus may remain in some patients' guts for months, contributing to the lingering symptoms known as long COVID. The remnants appear to ...

The Centers for Disease Control and Prevention found that 7.5 percent of all adults in the U.S. had experienced long Covid. Catherine McQueen/Getty Images For the past couple of years, scientists have ...