A computer system that can rival some doctors' ability to diagnose early-stage Alzheimer's is being trialled in the US. It analyses a person's the P300 brain waves response to a number of simple sound-based tests....

If it is the case that Alzheimer's is a form of diabetes, sensible lifestyle choices could have a large effect in the earliest stages of the condition - as they do for diabetes. There is no present method for detecting the earliest onset of Alzheimer's, however - but scientists are working on it. From EurekAlert!: ''an update on progress and new ...