A Quandary about Alzheimer’s Biomarkers
June 10, 2014 | Terry Sharrer

Alzheimer's Disease Progression Chart
Alzheimer’s disease can take a decade or more to present, but over that time the levels of certain biomarkers continue to rise. Researchers at Washington University in St. Louis, however, have found that after significant memory loss and/or dementia appears, those indicative biomarkers go into consistent and statistically significant decline. So far, there is no compelling explanation for why this strange reversal happens. MORE
Image Credit: NIA/NIH