This Article  • Full text  • PDF  • Send to a friend  • Save in My Folder  • Save to citation manager  • Permissions  Citing Articles  • Citation map  • Contact me when this article is cited  Related Content  • Related article  • Similar articles in JAMA  Social Bookmarking   What's this?

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

To the Editor: While the article by Dr Hendrie and colleagues¹ may be the first to report on geographical differences in Alzheimer disease (AD) incidence, there have been other studies of geographical differences in AD prevalence. The work by White et al² was the first to show that when people of one ethnic group moved from their homeland to the United States, in this case Japanese moving to Hawaii, the AD prevalence increased dramatically. This finding provided the impetus for a multicountry ecologic study of dietary links to AD using data from 11 countries.³ The data were carefully evaluated for comparable methodology and only high-quality reports were included. As a measure of quality, for countries with several reported AD prevalence rates, the data spread was less than 1% unless urban and rural areas or different ethnic groups were studied. The values ranged from 1.4% in Nigeria to 6.2% among African . . . [Full Text of this Article]

CiteULike    Connotea    Del.icio.us    Digg    Reddit    Technorati    Twitter     What's this?

RELATED ARTICLE

Incidence of Dementia and Alzheimer Disease in 2 Communities: Yoruba Residing in Ibadan, Nigeria, and African Americans Residing in Indianapolis, Indiana
Hugh C. Hendrie, Adesola Ogunniyi, Kathleen S. Hall, Olusegun Baiyewu, Frederick W. Unverzagt, Oye Gureje, Sujuan Gao, Rebecca M. Evans, A. O. Ogunseyinde, A. O. Adeyinka, Beverly Musick, and Siu L. Hui
JAMA. 2001;285(6):739-747.
ABSTRACT | FULL TEXT