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PubMedDate not supplied

Diabetes prevalence rates among First Nations adults on Saskatchewan reserves in 1990: comparison by tribal grouping, geography and with non-First Nations people.

OBJECTIVE: To determine age-specific, sex-specific and total prevalence rates of diabetes mellitus among Saskatchewan First Nations adults and to compare these rates by tribal grouping, geography and with non-First Nations people. DESIGN: A point prevalence study of all Saskatchewan reserves in 1990. RESULTS: Age-adjusted rates of diabetes mellitus were higher (risk ratio 1.8) among First Nations adults (9.7%) than among non-First Nations adults (6.1%). These racial differences were greater between women (12.1 vs 6.6%) than men (7.2 vs 5.6%). First Nations diabetes rates were highest among individuals with Saulteaux and Sioux ancestry, and among those living on southern reserves. CONCLUSIONS: The prevalence of diabetes mellitus among Saskatchewan First Nations people has increased from 0% to almost 10% within the adult population since 1934 and has more than doubled from 1980 to 1990. This epidemic manifests itself to a greater extent among women and certain tribal groups, possibly due to differences in exposure to non-traditional lifestyles.

Adult↗
PubMed1997

[Geography of chromosomes of natural populations of the shrews Sorex araneus and Suncus murinus].

The geographic distribution of chromosome races of two shrew species (Sorex araneus and Suncus murinus) was analyzed on the basis of published data and personal results. It was shown that expansion of both species was accompanied by fixation of different chromosome rearrangements (mainly Robertsonian translocations) in isolates. Chromosome polymorphism studied from the viewpoint of ecology and geography of these species allows reconstruction of their evolutionary history and understanding of the speciation process.

Animals↗
PubMed1996

Population geography of calamity: the sixteenth and seventeenth century Yucatan.

"This historical demography for Yucatan [Mexico] at the time of Spanish contact presents a number of problems. There were multiple Maya-Spaniard contacts before the Spaniards established a continuous presence after the protracted conquest of the Yucatan. The area of Yucatan that was controlled by the Spanish at any one time is not precisely known, and Yucatan offered ¿refuge' areas where the indigenous population could avoid Spanish control and counts. These issues are addressed here by considering different regions of the Yucatan and using a numerical computer simulation to generate new estimates of population that result from migration, warfare, agricultural calamity, and epidemics."

Americas↗