Olivia Coleman and Anthony Hopkins in The Father (2020)
A neuroscientist and a clinician watched two new films about dementia. They recognised what they saw.
Dana Gasby, left, interacts with her mother B. Smith in their East Hampton home on Long Island, New York, on Wednesday, January 9, 2019. B. Smith has Alzheimer’s Disease.
Karten Moran for The Washington Post via Getty Images
A blood test to detect Alzheimer’s disease in people who have symptoms and even those who don’t has been shown to work. Scientists still need to improve its accuracy rate to almost 100%, however.
Many older people and their families worry about a diagnosis of Alzheimer’s disease.
Alzheimer’s is one of the most dreaded and difficult diseases, and it has been notoriously difficult to diagnose. Could that change in the coming years with the advent of new blood tests?