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A Tsimane
father and son hunt fish in a river. (Michael Gurven)
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Researchers said Friday
they had found an indigenous Amazonian tribe with the lowest levels of artery
hardening -- a portender of heart disease -- ever observed.
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Most
members of the Tsimane community, an indigenous Amazonian tribe, are active for
between four and seven hours a day -- hunting, gathering, fishing and
farming, the study found
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