inuit msdx stat: 19/100,000 so it does happen, but not as often. i'd love to get a look at the bloodwork of those patients!
overall, there's genetics, uv, soil fertility, water source, air quality, altitude, socio economic status, positive and negative diet/lifestyle choices, etc etc etc.
re the japanese, this study is old but interesting
Impact of westernization on the nutrition of Japanese: Changes in physique, cancer, longevity and centenarians
http://www.sciencedirect.com/science/ar ... 3578902463The traditional Japanese diet changed dramatically between 1950 and 1975: the intake of milk (15 fold), meat, poultry and eggs (7.5 fold) and fat (6 fold) has increased, while that of barley (), potatoes () and rice (0.7) has decreased. This westernization is more pronounced in the younger generation, rich people, non-farmers and city dwellers. However, the quantities of western foods consumed in Japan are still much less than those in the U.S. or Europe. The quality of the nutrients is also very different: amylopectin, long chain polyunsaturated fatty acids and indigestible polysaccharides are abundant in the Japanese diet.
During this period, Japanese became taller and heavier. Breast, colon and lung cancers increased 2–3 fold, but those of the stomach (0.6) and uterus (0.3) decreased. As life expectancy has been extended (male 12, female 14 years), the number of patients in the same age group increased. Areas of longevity containing many centenarians (888 in 1977) were studied, in order to determine beneficial effects of westernization such as a decrease in apoplexia resulting from increased fat intake. More than the average amounts of animal proteins and vegetables were consumed in these areas. Among the Japanese, those in Okinawa were found to have the lowest total energy, sugar and salt, and the smallest physique, but had healthy longevity and the highest centenarian rate.
re the inuit people, this article is interesting too:
Western Diet Fuels Spike In Blood Pressure Of Canada's Inuit
http://www.sciencedaily.com/releases/20 ... 085256.htm
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chicken, soybeans, tuna, turkey, venison, salmon, lamb, halibut, shrimp and cod.
hmm, i wonder what the indicators would have shown if they had been able to run it for longer, so that levels could get up over 100 nmol/L...
i think if UVB was it, all the inuit would have died long ago instead of actually being traditionally pretty healthy folks. as a species we seem to have evolved some systemic redundancies that allow us to survive in a wide variety of ecosystems. but we need to eat right for the environment we're in. imho, by demonizing fat and red meat we of the northern latitudes have run ourselves into a fair bit of trouble health-wise..