Large study of Korean patients shows consistently higher risk across dementia types

Suicide risk higher for those diagnosed before age 65 years; those within first three months of diagnosis; those with psychiatric comorbidity

Long time in bed and early sleep timing associated with dementia risk, particularly among men

Migraine also significantly associated with higher risk for dementia

Watching TV linked to increased risk, while using a computer linked to decreased risk, for incident dementia regardless of physical activity level

Rapid olfactory decline also associated with smaller gray matter volumes on MRI in olfactory- and memory-associated brain regions

Findings independent of cardiovascular risk factors and APOE genotype

Findings seen for all strokes, ischemic strokes, and hemorrhagic strokes

Muscular strength, as indicated by changes in handgrip strength, is associated with markers of cognitive aging in older adults

Dose-dependent response seen with increasing number of cardiometabolic diseases and cognitive decline