Methods Nested case–control design. Cases and controls were identified from two prospective cohort studies using valid injury surveillance methods. Cases were players concussed during a game or ...

Background Depression has been consistently linked to the onset of dementia, but the temporality and nature of this ...

HealthDay News — Dementia biomarkers — phosphorylated tau (P-tau181), neurofilament light (NfL), and glial fibrillary acidic protein (GFAP) — are associated with age, sex, and apolipoprotein E ( APOE) ...

Among patients with acute LBP, use of nonpharmacologic therapy was associated with reduced risk for overdose-related hospitalizations.

After a certain threshold, cumulative opioid use was associated with higher dementia risk, a study of adults over age 60 in Denmark showed. In a nested case-control study, opioid use above 90 ...

In this study, the authors employed a prospective ... The results were analyzed using a nested case–control method, in which every case was matched with four controls who were randomly selected ...