Serotonin is a neurotransmitter, a chemical that moves back and forth in the space (called the synapse) between two nerve cells, or neurons. When one neuron is ready to send a message to another, it ...

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% ...

Long COVID is an often-incapacitating illness that occurs in at least 10 percent of severe acute respiratory syndrome coronavirus infections. Over 200 symptoms that affect many organ systems have been ...

Researchers have found that SSRI (Selective Serotonin Reuptake Inhibitors) antidepressants have the potential to improve certain cognitive functions, such as verbal memory. They measured brain ...

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 ...

Serotonin is an essential brain chemical messenger, which controls mood regulation, sleep patterns and facilitates memory function and appetite control. As the "feel-good" neurotransmitter, serotonin ...