
Russian scientists are warning about the dramatic change in the Nenets and Khanty peoples on the icy Yamal peninsula in northern Siberia, who for centuries had eaten only traditional foods.
A diet based on venison and fresh river fish meant that obesity was unknown among these indigenous peoples, but now outside influences are changing everything.
Alexey Titovsky is head of science and innovation in the Yamalo-Nenets autonomous region of the Russian Federation.
His team has found that the intake of venison and river fish by the nomadic tribes has been cut by half, as noodles, pasta, bread, pastry and sugar became part of the diet.












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