She finds out about a brain chemical which helps us solve problems while we SLEEP.
She finds out about the role of dopamine in addiction.
She finds out whether endorphins are responsible for the exercise high, and how they work as natural painkillers.
She finds out if we can harness our brain chemicals to enhance our mood: can a seratonin-rich diet really relieve DEPRESSION?
New mothers bond with their babies thanks to the neurotransmitter oxytocin.