蜜芽传媒

People taking part in scientific studies are not usually told if they are at risk of developing Alzheimer's. And the scientists conducting the studies do not know either. But if better ways are found of detecting early signs of Alzheimer's, should people at risk be told, when there is currently little they can offer to improve the prognosis? Cate Latto, who is taking part in an Alzheimer's Society study called Prevent, because of her family history of Alzheimer's, thinks on balance she would like to know.

First broadcast on World at One.