"For the first time I think we have a chance to really change the course of Alzheimer's disease," says Dr. Reisa Sperling
"For the first time I think we have a chance to really change the course of Alzheimer's disease," says Dr. Reisa Sperling. She's leading a clinical trial testing whether a drug called Solanezumab can slow down or even prevent Alzheimer's disease. Wyatt Andrews reports.
