The diagnosis of dementia is commonly made at a stage where it is difficult to slow the progression of the disease. Speaking at the Alzheimer’s Research UK (ARUK) Conference 2018, held in London, UK, Delphine Boche, PhD, from the University of Southampton, Southampton, UK, discusses the importance of identifying people who are at a high risk of developing Alzheimer’s disease, or other types of dementia, and taking measures to impede the progression of the disease.