Opinion: Scientists discover the key to healthy aging — in the Amazon (MarketWatch)

MarketWatch featured research by Andrei Irimia of the USC Leonard Davis School and the USC Viterbi School on the healthy aging of the indigenous Tsimane people in Bolivia. “They have the lowest incidence of heart disease of all the people’s known to science, and they seem to have much slower rates of brain atrophy with age,” he said.