Redefining Alzheimer's Disease: Mayo Clinic Radio 

This is certainly interesting, that they can tell by blood samples. That said, I think researches should focus on viral / bacteria. I don't think that dementia will be cured in for teenagers today. I really do hope it will be cured for in sixty years. That said, I'm happy they can discover the people who won't help the trials to progress.

My dad died from alzheimers at 59