New Alzheimer's Treatment Clears Plaques From Brains of Mice Within Hours

Within hours of the first injection, the animal brains showed a nearly 45 percent reduction in clumps of amyloid-beta plaques, a hallmark of Alzheimer's disease.
The mice had previously shown signs of cognitive decline, but after all three doses, the animals performed on par with their healthy peers in spatial learning and memory tasks. The benefits lasted at least six months.