Massive study finds strong correlation between "early affluence" and "faster cognitive drop" in old age

A paper published in the Proceedings of the National Academy of Science reports on new analysis of the Survey of Health, Aging, and Retirement in Europe (SHARE), which tracks outcomes for 24,066 people aged 50-96 with a good balance of genders (56% female), and reports a strong correlation between "early affluence" and "faster cognitive drop" in "verbal fluency" (measured with an animal naming challenge). SHARE is the largest study of its kind, with more than double the subjects of similar projects. Read the rest