Well it depends on how you define "help". Dementia or Alzheimers is a neural disease that seems correlated with brain plaque - the underlying issue of plaque/ne

Well it depends on how you define "help". Dementia or Alzheimers is a neural disease that seems correlated with brain plaque - the underlying issue of plaque/neural self cleaning mechanism failures wouldn't be countered even if it makes them feel better and possibly slightly improve function it is still a downward slope of progressive brain damage.