A tool powered by artificial intelligence capable of predicting in four cases out of five whether people with early signs of dementia will remain stable or develop Alzheimer’s disease has been created by Cambridge scientists. They believe it could reduce the need for invasive and costly diagnostic tests and give interventions such as lifestyle changes or new medicines the best chance of success. Alzheimer’s accounts for 60 to 80 per cent of the 55 million cases of dementia worldwide, which have an estimated healthcare cost of $820billion. The number of cases is expected to almost treble over t…