A new study in mice strongly suggests that serotonin and drugs that target serotonin, such as anti-depressants, can have a major effect on the gut's microbiota -- the 100 trillion or so bacteria and ...

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

Add Yahoo as a preferred source to see more of our stories on Google. Imagine your brain is Instagram. Then serotonin—a neurotransmitter that governs your mood—is the tech that allows one brain nerve ...

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

A major paper debunking the “serotonin hypothesis” has a lot of people agitated. But leaving more room for nuance in our discussions about mental health is the right idea. Building a more complex, ...

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A tiny switch in DNA allows neurons to change their function depending on the environment and alter behavior in worms.

Share on Pinterest New research suggests serotonin could play a major role in Crohn’s disease. Callista Images/Getty Images A new study has discovered a link between serotonin, autophagy, and the gut ...

New research suggests we don't understand antidepressants as well as we thought. Source: Anna Shvets/Pexels Depression, we are commonly taught, is the result of a “chemical imbalance”: having lower ...

Long COVID continues to be a major problem for millions of people. Loosely defined as the experience of new or persistent symptoms four or more weeks after initial infection with the SARS-CoV-2 virus, ...