Downward trend in dementia linked to better education and personal wealth, US study saysBMJ 2008; 336 doi: https://doi.org/10.1136/bmj.39503.343993.DB (Published 28 February 2008) Cite this as: BMJ 2008;336:466
- Janice Hopkins Tanne
- 1New York
“Cognitive decline” is declining among Americans older than 70, a study of 11 000 elderly US residents carried out at the University of Michigan Medical School has found (Alzheimer’s and Dementia 2008 http://alzheimersanddementia.org/webfiles/images/journals/jalz/JALZ_731.pdf).
Cognitive decline includes significant memory loss, dementia, and Alzheimer’s disease among people older than 70.
The study showed that higher education and higher net financial worth protected against cognitive impairment.
The authors used data from the health and retirement study, a nationally representative, population based longitudinal study of US adults. They compared two groups of people aged 70 and older—7406 in the 1993 cohort …