Blood cholesterol and risk of dementia in more than 1·8 million people over two decades: a retrospective cohort study

Uncertainty remains concerning the association of blood cholesterol with the risk of subsequent dementia. Using data from people with lipid measurements in the UK Clinical Practice Research Datalink (CPRD), we examined the association between blood lipid levels and dementia (both vascular and non-vascular, including Alzheimer's disease) by age at first measurement of blood lipids and duration of follow-up.We studied a cohort from the UK CPRD of...