The brain chemicals behind your mood, sleep, and body functions Medically reviewed by Shaheen Lakhan, MD, PhD, FAAN Ever wonder what's going on in your brain when a certain mood strikes? You can thank ...

Scientists have found the first compelling evidence that cognitive training can boost levels of a brain chemical that ...

Serotonin and dopamine are two neurotransmitters that work in tandem to boost mood and regulate bodily functions like sleep ...

Playing certain brain-training games may boost production of a neurotransmitter responsible for attention and focus, ...

While some people may experience this “second wind” on occasion, others may be experiencing a sleep disorder, like insomnia ...

A study showed that changes in the functioning of opioid neurotransmitters in the brain may underlie anorexia. A study conducted at Turku PET Centre in Finland showed that changes in the functioning ...

Early research suggests a brain test may predict whether antidepressants will cause sexual dysfunction. There has never been ...