Over half of Alzheimer's cases may be preventable, say researchers

http://www.eurekalert.org/pub_releases/2011-07/uoc--oho071811.php

Public release date: 19-Jul-2011
Contact: Steve Tokar
University of California - San Francisco
Over half of Alzheimer's cases may be preventable, say researchers

Over half of all Alzheimer's disease cases could potentially be prevented through lifestyle changes and treatment or prevention of chronic medical conditions, according to a study led by Deborah Barnes, PhD, a mental health researcher at the San Francisco VA Medical Center.

Analyzing data from studies around the world involving hundreds of thousands of participants, Barnes concluded that worldwide, the biggest modifiable risk factors for Alzheimer's disease are, in descending order of magnitude, low education, smoking, physical inactivity, depression, mid-life hypertension, diabetes and mid-life obesity.

In the United States, Barnes found that the biggest modifiable risk factors are physical inactivity, depression, smoking, mid-life hypertension, mid-life obesity, low education and diabetes.

Together, these risk factors are associated with up to 51 percent of Alzheimer's cases worldwide (17.2 million cases) and up to 54 percent of Alzheimer's cases in the United States (2.9 million cases), according to Barnes.
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