Kaiser Family Foundation. All rights reserved.. About 4 million additional health workers needed worldwide to combat HIV/AIDS, WHO says A lot more than four million additional health workers shall be needed in 60 countries to battle HIV/AIDS, tuesday in the XVI International AIDS Meeting in Toronto according to a technique the World Health Business released, the Wall Street Journal reports. The program, titled ‘Treat, Train and Retain,’ was made by WHO in collaboration with the International Labor Business and the International Company for Migration.Ahern, M.D., Ph.D., Leslie C. Baxter, Ph.D., Steven Z. Rapcsak, M.D., Jiong Shi, M.D., Bryan K. Woodruff, M.D., Dona E.C. Locke, Ph.D., Charlene Hoffman Snyder, C.N.P., Gene E. Alexander, Ph.D., Rosa Rademakers, Ph.D., and Eric M. Reiman, M.D.1-3 Although memory loss may be the earliest cognitive transformation in Alzheimer’s disease,4-9 distinguishing early disease from normal aging could be difficult.14-16 Such decline correlates with reduced cerebral metabolism as much as 5 to a decade prior to the onset of cognitive symptoms.17 The point of transition from normal aging to Alzheimer’s disease has been sought in population-based studies, but cross-sectional designs are limited by demographic differences among subjects that influence neuropsychological test outcomes.