Brain Your body's control center. Can olive oil reduce your risk for dementia? Here’s what the experts say. (2 min. read) The Basics What is encephalitis? Understanding brain cancer Cerebral palsy quiz Brain quiz Headache triggers quiz More information COVID-19 takes a toll on cognitive function Understanding Huntington's disease Symptoms of Parkinson's disease Feed your brain What to know about aphasia Concussions quiz Multiple sclerosis quiz Stroke: Coping with changes in emotions and behaviors Learn if memory problems might be Alzheimer's 4 ways to stimulate your baby's brain Related stories