Serotonin is a chemical messenger that affects many functions in the body and brain. Low serotonin is one factor that may contribute to depression and anxiety, but people can take some steps to ...

Serotonin is a neurotransmitter and hormone that helps regulate mood, sleep, digestion, blood clotting, and sex drive. Your body makes it from tryptophan, an amino acid found in meat, dairy, eggs, and ...

Symptoms of low serotonin may include mood changes, feelings of depression or anxiety, and difficulty with functions such as sleep and memory. Physical signs may include gastrointestinal symptoms or ...

Dopamine and serotonin are both neurotransmitters. Neurotransmitters are chemical messengers used by the nervous system that regulate countless functions and processes in your body, from sleep to ...

After I finished my Ph.D. dissertation, everything felt really difficult. I wanted to throw a party for myself, but couldn't seem to plan it. I wanted a job, but couldn't get around to looking for one ...