These data are being released in BETA version to facilitate early access to the study for research purposes. This collection has not been fully processed by NACDA or ICPSR at this time; the original
Anonymous data for experimental work to pilot a measure of cognitive change in ageing and gather data about cognitive problems experienced by typically-ageing adults, as part of exploratory work towar
The Health and Aging in Africa: A Longitudinal Study of an INDEPTH Community in South Africa (HAALSI) study is a population-based survey implemented by the Harvard Center for Population and Developmen
