If you've been lacking the motivation to clean your house, get a workout in or just can't get out of bed, it could be that your serotonin and dopamine levels are out of whack. When you're deficient in ...

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 ...

Dogs who scored well on the Wesen test, which is used to analyze a dog's temperament, tended to have lower levels of cortisol, often called the "stress hormone," and higher levels of serotonin, often ...

Dogs who scored well on the Wesen test, which is used to analyze a dog’s temperament, tended to have lower levels of cortisol, often called the “stress hormone,” and higher levels of serotonin, often ...

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 ...

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 ...

Johns Hopkins Medicine researchers have released a study that identified a pattern they believe predicts late-life depression and response to antidepressants. The study found that an accumulation of ...