A blood test that can predict the onset of Alzheimer's disease before recognisable symptoms appear could become available in two years, scientists have said.
The test, likely to cost £100 - £300, can show with almost 90% accuracy which individuals suffering from mild memory loss are going to develop Alzheimer's within a year, researchers suggest.
Trials of drugs to halt or reverse Alzheimer's have all ended in failure so far. Therapies exist that can reduce its symptoms, but they only work for a short period of time and are not very effective.
Scientists believe a major reason for the lack of progress is that trial patients are being recruited too late, when their disease is already far advanced.
More top news
Five teenagers have been injured - two seriously - after an unprovoked acid attack at a train station in Essex.
A Donald Trump rally was interrupted after protesters lobbed rocks and bottles at police.
Nearly three million people are in "distressed" relationships where they argue regularly or consider divorce, according to a new report.