https://www.youtube.com/watch?v=XIQSFPhpG7A At age 61, Judi Polak is five years into a bleak diagnosis: Alzheimer’s disease. But last year she made medical history in a clinical trial, when a team of scientists, engineers and practitioners deployed a novel device to take aim at a big barrier in the fight against her illness. Science correspondent Miles O'Brien […]
Alzheimer’s is a a degenerative brain disease of unknown cause that causes problems with memory, thinking and behavior. Symptoms usually develop slowly and get worse over time, becoming severe enough to interfere with daily tasks .