• Human populations in Chile's Atacama desert have apparently developed a tolerance for arsenic 100 times as powerful as the World Health Organization's maximum safe level (according to recent research by University of Chile scientists).
• While 80 percent of Americans age 45 or older have calcium-cluttered blood veins (atherosclerosis), about 80 percent of Bolivian Tsimane hunter-gatherers in the Amazon have clean veins, according to an April report in The Lancet. (Keys for having "the healthiest hearts in the world": walk a lot and eat monkey, wild pig and piranha.) [New Scientist, 2-22-2017] [NPR, 3-21-2017; The Lancet, 3-17-2017]
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