Long COVID appears to trigger a drop in levels of the chemical serotonin, which may explain such symptoms as fatigue, brain fog and memory loss, new research suggests. Photo by Andrea ...

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 ...

If you've been lacking the motivation to clean your house, get a workout in or just can't get out of bed, it could be that your serotonin and dopamine levels are out of whack. When you're deficient in ...

When UVB rays from sunlight hit the skin, they spark the production of vitamin D₃, essential for strong bones, immune health, and brain function. But it doesn’t stop there. Sunlight also triggers a ...

If you haven't noticed, I like to be somewhat hardcore about the biology of what is going on. I use the delicacies of psychology all the time in my work, but psychology takes so much explaining that I ...

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.

Mice genetically deficient in serotonin -- a crucial brain chemical implicated in clinical depression -- are more vulnerable than their normal littermates to social stressors, according to a Duke ...

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 ...