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% ...

Cognitive deficits accompany mood disorders and other psychiatric conditions, often with debilitating effects. Limited treatments currently exist, but studies in animals and humans have pointed to ...

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 ...

A new study published in NeuroImage: Clinical has found that behavioral and emotional problems in children are linked to differences in the structure of brain regions associated with serotonin. The ...

Studies since then have shown that serotonin can switch on genes involved in cancer growth. This mechanism has been seen in brain, liver and pancreatic cancers – and it may play a role in many other ...

The intricate web of chemical messengers that facilitate communication between neurons represents one of the body’s most complex and fascinating systems. These neurotransmitters, including serotonin, ...

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 ...

The vast community of microorganisms in the gastrointestinal tract-the gut microbome, is closely connected to many aspects of human heath... | Microbiology ...

Platelets are clot-forming cell fragments that circulate through the blood. In retrospect, they make perfect sense as the body’s serotonin truckers because they absorb the gut-derived hormone, store ...