
BEIJING, July 6 (Xinhuanet) — A new U.S. study suggests drinking coffee five cups a day helps protect against and combat Alzheimer’s disease.
“The study gives evidence that caffeine may be a viable treatment for established Alzheimer’s disease and not simply a protective strategy,” said Dr Gary Arendash of the University of Florida.
Dr Gary, who led the research, and colleagues tested on 55 mice bred to develop symptoms of Alzheimer’s. They then dosed up half mice on caffeine after their memory impairment became apparent.
Astonishingly, the mice performed far better on memory tests and thinking skills than those who were not given caffeine.
Dr Gary Arendash said “the results are particularly exciting in that a reversal of pre-existing memory impairment is more difficult to achieve”
“That’s important because caffeine is a safe drug for most people, it easily enters the brain, and it appears to directly affect the disease process,” he said.
The team believes that the application of caffeine has a preventative affect on the production of both the enzymes needed to produce beta amyloid — the protein which forms destructive clumps in the brains of dementia patients. Those mice lucky enough to be dosed on caffeine showed up to a 50 percent reduction in the damaging protein.
The researchers will perform further tests to see if the results can be replicated on humans.

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