Both high and low blood pressure have been linked to increased dementia risk — and the relationship is not a straight line. Here is what a nationwide study of 4.5 million people found.
Type 2 diabetes is linked to a 2.5-fold increased risk of vascular dementia. Here is how elevated blood sugar actually affects the brain.
Some diabetes risk factors are fixed the day you're born. Others move with every meal, every night's sleep, and every waistline change. Here's how much each one actually matters, in numbers.
Up to 45% of dementia cases may be linked to factors you can actually influence. Here is the life-stage breakdown, and which risk factors carry the biggest relative risk.
Air pollution has been linked to roughly 20% of Alzheimer’s cases worldwide, and lead exposure to a near threefold increase in risk. Here is what the research on environmental dementia risk factors shows.
Some kidney risk factors are well known. Others — like sleep apnea or elevated triglycerides — surprise most people. Here's what the research says about which risks carry the most weight.