Patients receiving treatment to correct or control atrial fibrillation, and end up being “overtreated” for a long period of time with anti-clotting medication warfarin, in combination with antiplatelet treatments aspirin or clopidigrel, may have an increased risk of developing dementia or Alzheimer’s disease according to a study presented at the American Heart Association’s Scientific Sessions 2014, and announced in a press release.

http://alzheimersnewstoday.com/2015/01/22/overtreatment-for-heart-disease-may-cause-alzheimers-disease