The much-cited Nun study
,6 which followed 678 Catholic nuns over a number of years, is one exception.
After his death, while I was studying for my Batchelor of Visual Arts in textiles, which I focused on Alzheimer's disease, I read Aging with Grace: What the Nun Study
Teaches Us about Leading Longer, Healthier, and More Meaningful Lives by David Snowdon.
Lon White, MD, MPH, a neuroepidemiologist, and his team from the University of Hawaii and the Veterans Affairs-affiliated Pacific Health Research and Education Institute analyzed studies involving more than 1,100 people who had participated in the Nun Study
or the Honolulu-Asia Aging Study.
Consider the famous Nun Study
: Although it had a much smaller sample than the Lancet study, it started when the nuns, all living in similar conditions with similar diets, were 22 and followed them until death.
The data they collected became the basis of the Nun Study
, which led to groundbreaking research on aging and Alzheimer's disease.
Tyas and her colleagues used the ongoing Nun Study
as the basis of their analysis.
Participants had been enrolled into the Nun Study
- an ongoing health investigation involving Roman Catholic nuns in the US.
A particularly powerful study along those lines is called either the Nun study
or the Religious Orders study, in which individuals have been in a known and relatively controlled environment their entire lives.
The Nun Study
(JAMA 277:813-17, 1997) is the classic study on possible relations between strokes and AD.
However, contrary to expectations from Snowden et al.'s (1996) nun study
, AH 4 (1) test scores declined slightly less rapidly across decade samples who currently have lower Mill Hill scores and so certainly had lower youthful AH 4 (1) test scores.
His book on the Nun Study
, Aging With Grace: What the Nun Study
Teaches Us About Leading Longer, Healthier and More Meaningful Lives, will be released next week.
Although the nun study
doesn't support this theory, Snowdon isn't ready to rule it out.