25. Research suggests Alzheimer's begins silently ravaging the brain up to 20 years before symptoms begin. One approach under study now is testing to see whether curbing sticky amyloid during that window period might at least postpone symptoms a few more years, if not prevent them.
Information on volunteering for research: http://bit.ly/1dRZCv5
The government's clinical trial database: http://www.clinicaltrials.gov