Medical Revolution: Preventing Dementia

Scientists have discovered that walking speed is a good indicator of a person's risk for developing dementia. Irregularities in the way we walk signal that special networks inside the brain are deteriorating, increasing the risk of dementia. But experts are finding ways to detect and treat such declines at an early stage. And they're developing new medications to keep dementia at bay. On this program, we'll share the latest findings from the front lines of dementia prevention.