KNTV NBC Nightly News With Lester Holt July 25, 2016 00:47:00
We are back now with an intriguing development of the battle against alzheimer's disease. there is been a debate for years whether brain exercises can help worn off the disease. today scientists reported for the first time they they do work. morg morg morgan radford has the details. >> today for the first time scientists think they can prove it. it is one of the first interventions that we have found significantly reduced the dent of dementias across time. >> doctor edwards presented the research at the alzheimer's national krch national conversations today. >> she studied over 2785