In our day-to-day lives, we're constantly making a slew of decisions, from immediate matters to prospects on the far horizon. But the evolutionary nuts-and-bolts of how our brains weigh these numerous ...

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% ...

Serotonin is a neurotransmitter important for mood, digestion, and sleep. You can increase serotonin levels naturally through exercise and sunlight. Serotonin is a naturally occurring monoamine ...

A: Foods rich in tryptophan, such as eggs, cheese, salmon, tofu, nuts, and seeds, may help support natural serotonin production in the body. A: Tryptophan is an essential amino acid that the body uses ...

Serotonin is a chemical produced mostly in our digestive tract. 1 Despite its humble beginnings in the gut, serotonin has the important job of deciding which brain cells to "turn off" (inhibit) during ...

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 ...

Hormones play an important role in keeping us happy and healthy. You must have heard about the ‘happy hormones’ – serotonin ...

Imagine your brain is Instagram. Then serotonin—a neurotransmitter that governs your mood—is the tech that allows one brain nerve cell to slip into another’s DMs. These messages tell your body what 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 ...

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, ...