Drug companies have spent billions over the past two decades in the hunt for an Alzheimer's 'magic pill' - a medication that will truly alleviate this terrible disease.

Drug companies have spent billions over the past two decades in the hunt for an Alzheimer's 'magic pill' - a medication that will truly alleviate this terrible disease.

For anybody with a loved one experiencing dementia or Alzheimer's, news of prospective drug treatments failing or producing mixed results is a cause for concern.