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Jul 7 / Jonathan

Coffee reverses Alzheimer’s?

In 55 mice, anyway. Maybe.

Coffee ‘may reverse Alzheimer’s’

Drinking five cups of coffee a day could reverse memory problems seen in Alzheimer’s disease, US scientists say.

The Florida research, carried out on mice, also suggested caffeine hampered the production of the protein plaques which are the hallmark of the disease.

Previous research has also suggested a protective effect from caffeine. …

That’s two cups of actual coffee, though:

… The mice were given the equivalent of five 8 oz (227 grams) cups of coffee a day — about 500 milligrams of caffeine.

The researchers say this is the same as is found in two cups of “specialty” coffees such as lattes or cappuccinos from coffee shops, 14 cups of tea, or 20 soft drinks.

When the mice were tested again after two months, those who were given the caffeine performed much better on tests measuring their memory and thinking skills and performed as well as mice of the same age without dementia.
Those drinking plain water continued to do poorly on the tests.

In addition, the brains of the mice given caffeine showed nearly a 50% reduction in levels of the beta amyloid protein, which forms destructive clumps in the brains of dementia patients. …

BBC via Brad Delong

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