Alzheimer's pill may be magic bullet, researchers say

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Scientists believe that they have developed a once-a-day pill that could potentially cure Alzheimer's disease.

Research involving laboratory mice shows that the drug, PBT2, prevents build-up of the amyloid protein, which has been linked to the development of Alzheimer's disease. Protein levels dropped by 60% within 24 hours of a single dose, and memory performance improved within five days.

Preliminary tests of the drug in humans have not yielded any major side effects. A team from Australia's Mental Health Research Institute of Victoria conducted the study. Researchers hope the drug will be on the market within four years.