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 ...

What does serotonin do? Serotonin affects every part of you — from your emotions to your motor skills. It helps with sleeping, healing, and digesting. Serotonin is also thought to be a natural mood ...

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 ...

Over the years, the serotonin hypothesis of depression, which suggests that low or impaired serotonin neurotransmission is related to the symptoms and possible causes of depression and related ...