With the aging of populations in most countries of the world,
the diseases that are most common in old age take on increased
importance. Among these diseases, few are more devastating than
Alzheimers disease and other forms of dementia. These
conditions involve the deterioration of a persons memory,
followed by other aspects of intellectual, emotional and cognitive
The Canadian Study of Health and Aging is a study of the epidemiology
of dementia in Canada. It has followed over 10,000 elderly
Canadians over a ten-year period from 1991 to 2001 and has
collected a wide range of information on their changing health
status over that time.
This web site explains the study goals and methods, introduces
you to the data collected, and gives a summary of the main
results. It is divided into sections written for researchers,
for policy makers and for the general public.