NBC 5 Dallas-Fort Worth | Exercise and Low Cholesterol May Prevent Dementia NBC 5 Dallas-Fort Worth Carol White, 69, knows all too well the toll Alzheimer's disease takes on a family. "My father had dementia/Alzheimer's. My mother had it. My oldest sister had early onset and then my brother has early onset," said White. "I wouldn't wish it on anyone ... Air pollution may increase dementia risk Congress should support Alzheimer's research |