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Tuesday, 07/15/2014 10:26:37 AM

Tuesday, July 15, 2014 10:26:37 AM

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Alzheimer's Rate Falling in the United States, Studies Show in Health Day, Amy Norton, HealthDay Reporter, July 15, 2014

Excerpts:
"The number of new cases of dementia has been declining in recent decades in the United States, Germany and other developed countries, a trio of new studies shows.

In one U.S. study, researchers found that compared with the late 1970s, the rate of dementia diagnosis was 44 percent lower in recent years. The sharpest decline was seen among people in their 60s.

A second study, which reviewed research from England, the Netherlands, Sweden and the United States, found a similar pattern. The third study, meanwhile, found signs of progress in the space of only a few years: In 2004, older German adults were about one-quarter more likely to be diagnosed with dementia than in 2007."

"Why is the rate of new dementia cases apparently dipping? Better cardiovascular health could be one reason, said Claudia Satizabal, a researcher at Boston University School of Medicine, who led the U.S. study.

Her team found that over the years, people's average blood pressure and cholesterol levels improved, and their rates of smoking, heart disease and stroke declined.

Hartley said that is a plausible explanation. A number of studies have linked better cardiovascular health to a lower risk of Alzheimer's -- possibly because a healthy heart and blood vessels are more efficient at delivering oxygen and energy to brain cells.

"What's good for the heart is also good for the brain," Hartley said."

Article at:
http://consumer.healthday.com/cognitive-health-information-26/alzheimer-s-news-20/alzheimer-s-rates-dipping-in-developed-countries-689601.html

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