Scientists at the University of Science and Technology of China have identified a signaling chain that starts with gut bacteria, triggers serotonin release from intestinal cells, and ends with liver ...

Recent research has opened the debate on whether chemical imbalances cause depression, anxiety, and other conditions ...

Researchers have identified a mechanism by which acetylcholine, a neurotransmitter best known for its role in muscle control and attention, can effectively commandeer serotonin release inside the ...

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% ...

To enjoy the scent of morning coffee and freshly baked cookies or to perceive the warning smell of something burning, the brain needs two types of cells, neurons and astrocytes, to work closely with ...

People with fewer happy chemicals in their brain might be at greater risk of neurodegeneration from Alzheimer's disease, according to new research. Of people with mild cognitive impairment, those with ...

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 ...

SSRIs enhance CD8 T cell antitumor activity by inhibiting SERT, an immune checkpoint in tumors, suggesting potential repurposing for cancer immunotherapy. High intratumoral SERT levels correlate with ...

For decades, some investigators and clinicians have promoted the theory that depression is caused by abnormalities involving the serotonin system. This hypothesis has been encouraged by pharmaceutical ...

Researchers have uncovered novel aspects of astrocyte function in olfactory, or smell, perception revealing changes in their gene expression patterns that turn these brain cells into a hub of ...