New test can detect early Alzheimer's: study
By Julie Steenhuysen Julie Steenhuysen – Mon Mar 16, 1:53 pm ET
This article was on Yahoo on Monday, March 16, 2008.
This test measures the amount of the tau protein and the concentration of the amyloid beta42 polypeptide. Leslie Shaw of the University of Pennsylvania School of Medicine, whose study appears in the Annals of Neurology.
He said these two measures accurately predicted which patients with memory problems would develop Alzheimer's disease in 87 percent of the cases. The test also ruled out the disease in 95.2 percent of the volunteers.
That's pretty good news.