Dementia Cognitive Decline Public Perception Physical Health Neurodegenerative Diseases Multilingualism Dementia Prevention Alzheimer's Disease Public Figures Superagers Preventive Measures SuperAgers Mental Sharpness Mental Decline Cognitive Impairment Mild Cognitive Impairment Memory Loss Memory Issues Symptoms of Aging Dietary Approaches Preventive Health Dietary Patterns Public Figures' Health Hearing Loss Vision Health Memory Consolidation Brain Health Medication Effects Attention Control Research Studies Social Engagement Memory Driving Ability Brain Function Preservation Interventions Neural Function Nutrient Impact Cognitive Function Neurological Disorders Longitudinal Studies Hearing Issues Preventive Strategies Presidential Health Neurological Health Peanuts Exercise Impact Brain Function Mental Health Neurodegeneration Age-Related Struggles Screening Tests Mental Acuity Early-Onset Alzheimer's Vitamin C Role Neuroimaging Dementia Risk Factors Super Agers Cardiovascular Health Dementia Risk Environmental Factors Sex Differences Memory Disorders Mobility Age-related Differences Mobility Issues Inflammation
Wales' 2013 age cutoff created near‑randomized comparisons, prompting calls for randomized trials.