Comment Re:What's the Point? (Score 3, Informative) 81
Looking for treatment and prevention requires a good way to measure if a therapy is working. Using clinical progression to Alzheimer's disease (AD) requires a huge multi-year study to get any real statistical power. Not everyone goes on to develop AD, people die from other stuff, etc. If a treatment doesn't work, you've just wasted lots of $ and time to find that out (e.g., http://www.ncbi.nlm.nih.gov/pubmed/18305231). Maybe you had your dose wrong, maybe you had the timing off,