In an indigenous group of people in South America, researchers are finding the healthiest blood vessels ever studied, thanks in part to a diet that's rich in complex carbs. The Tsimane people — who live in the Bolivian Amazon — were five times less likely to have atherosclerosis compared with people in the United States, according to the study. Atherosclerosis is sometimes referred to as "hardening of the arteries" and is a major risk factor for heart disease.



More...