CNN CNN Newsroom March 9, 2014 19:17:00
A simple blood test was able to predict who would get alzheimer's. >> it's a wonderful piece of scien science, the most significant observation that we've been able to report in my entire scientific career. >> reporter: the researchers looked at the blood of healthy elderly people, checking for ten fatty molecules called lipids. those with lower levels of lipids, were more likely to develop alzheimer's or memory problems that precede alzheimer's. on average the change from healthy to sick took two years. the test was over 90% accurate. researchers and alzheimer's association point out more stu...