Brent Fogel talks to The Lancet Neurology about his work on large-scale genomic analysis.

Michael Irwin (University of California, Los Angeles, USA) discusses a Review concerning potential links of sleep disturbance and possible increased risk of Alzheimer's disease dementia.

Lindsay Wallace and Kenneth Rockwood join The Lancet Neurology to talk about their work on the association between frailty and the onset of Alzheimer's disease.