new alzheimers test, page-5

Yes Alois, I guess it is, but the idea goes back way before 2007.Check this link.
http://resources.metapress.com/pdf-preview.axd?code=b1603j5q4p532t53&size=largest
What the Japanese scientists have done is develop an assay test to check levels of AB in the CSF(cerebrospinal fluid)and verified its accuracy against progressing alzheimers patients. AB in the CSF increases as the disease progresses.

"We hope that our new diagnostic test will, in the future, significantly improve the lives of people with Alzheimer's disease, and lead to much better ways of treating this devastating disorder."

As for Prana
. PBT2 has completed a PHASE 2A STUDY in Alzheimer痴 Disease patients, demonstrating a lowering of Abeta levels in the CSF and signs of cognitive improvement within three months.