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Research Finds Healthy Lifestyle Reduces Risk Of Alzheimer's04:45

This article is more than 9 years old.

According to a new study in the Lancet Neurology, physical inactivity and smoking are two major risk factors associated with Alzheimer's disease in the United States.

Globally, the biggest contributing factor is low education with the others ranking a little lower.


  • Dr. Heather Snyder, senior associate director of medical and scientific relations, Alzheimer's Association.

This segment aired on July 20, 2011.

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