Those that take anxiety meds, have cold sores, low vitamin D, poor heart health, lack of sleep or jealous, moody women may face higher Alzheimer's risk. Seems like everything, except running, raises the risk of Alzheimer's these days.

http://www.drugs.com/answers/support-group/al...ease/blog/

If a larger percentage of the population was tested, it would be easier to validate correlations like these:

Dec. 9, 2014 Sleep disturbance linked to amyloid in brain areas affected by Alzheimer's disease
http://www.eurekalert.org/pub_releases/2014-1...120214.php