Daily Mail | Cut Alzheimer's risk by walking: It only takes 20 minutes, 3 times a week, say ... Daily Mail A total of 850,000 Britons have been diagnosed with dementia – including Alzheimer's – although this will more than double by 2050 as the population ages. There are no effective treatments and the illness is having a devastating effect on families and ... Worldwide Alzheimer's and Dementia Epidemic Grows, Including ... One hour of exercise a week 'can halve dementia risk' Alzheimer's researchers hunt for new tools to identify disease's onset |