Almost half of dementia cases could be prevented or delayed, study finds The GuardianTackling 14 risk factors for dementia may prevent or delay nearly half of cases, report finds CNNTwo new dementia risks identified by major report BBC.comDementia Could Be Prevented or Delayed by Targeting 14 Health Factors NewsweekStudy identifies 14 risk factors for dementia, including 2 new ones. Here’s what you can do about them. CBS News