Three studies by HAALSI researchers based on a rapidly aging population in rural South Africa are contributing to the much-needed scientific literature on global cognitive aging. A study published in Alzheimer’s & Dementia: Diagnosis, Assessment & Disease Monitoring found that a multidisciplinary, web-based consensus conference approach for diagnosing cognitive impairment and dementia in rural South Africa was feasible, and identified the key factors responsible for diagnostic variability among raters. In…