IE 11 is not supported. For an optimal experience visit our site on another browser.
We apologize, this video has expired.

Memory loss worries may indicate Alzheimer’s risk

03:30

Researchers at Brigham and Women’s hospital in Boston asked 200 healthy volunteers to report concerns about their own memory and then received a brain scan looking for buildup of amyloid plaque, a risk factor for Alzheimer’s disease. Those most anxious about their memory also had the highest levels of plaque. NBC’s Dr. Nancy Snyderman reports.