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% ...

Leafy greens like spinach and kale offer major brain-healthy nutrients like “vitamin K, lutein, folate, and beta carotene,” ...

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 ...

A new study shows that fluoxetine, better known as Prozac, does more than increase serotonin—it changes how brain cells ...

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 ...

From dark chocolate to spaghetti, these serotonin foods can help lift your spirits and support both gut and brain health ...

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, ...

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 ...

Researchers have discovered a fascinating new link between the gut and the brain: swallowing nutritious food causes the release of the feel-good chemical serotonin. The findings open the door to ...

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 ...

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 ...