D ementia is a growing global concern, but the good news is that we are making substantial progress in the fight against this disease. You wouldn’t know it from the prevailing paradigm: In the U.S., more than 6 million people are estimated to be living with dementia, and these numbers are widely projected to double in the next 25 years. Our recent research, however, challenges current predictions and calls for a reevaluation of the way we think about dementia's future impact. Advertisement