Overview
- The MidCog study of about 1,000 Chicago-area adults, which was published June 10, 2026, found roughly 32% had limited or marginal health literacy.
- Researchers tested practical tasks such as reading prescription labels and demonstrating a day’s dosing and found many participants took wrong doses, missed warnings, or could not organize multiple medicines correctly.
- Lower health literacy was tied to lower income, less education, unemployment, more chronic conditions, more prescriptions, and poorer performance on brief cognitive screening tests.
- Authors recommend system-level fixes such as plain-language patient materials written at a sixth-to-eighth grade reading level and standardized, explicit medication labeling to reduce mistakes.
- MidCog is an ongoing cohort study that will follow participants over time to see whether midlife self-management problems predict worse health outcomes and to identify points for intervention.