Two drugs show promise in slowing Alzheimer’s progression

Aired: 7/22/2015 | 0:06:06 | Clip
Two companies have announced new progress in the development of the first drugs to slow Alzheimer's disease. Researchers found the drugs helped reduce cognitive loss in patients with mild symptoms, but some observers say the improvements are too small and uncertain. Keith Fargo of the Alzheimer's Association joins Judy Woodruff to discuss the findings.