| http://www.w3.org/ns/prov#value | - The rate of Alzheimer's disease and other dementias is falling in the United States and some other rich countries -- good news about an epidemic that is still growing simply because more people are living to an old age, new studies show.An American over age 60 today has a 44 percent lower chance of developing dementia than a similar-aged person did roughly 30 years ago, the longest study of these
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