Tsimane have lowest rates of heart disease ever measured

No surprise: their diets high in carbs & fiber, Low in saturated fats and simple sugars, and they have an active lifestyle.

The Tsimane people dwell in thatched huts in a remote corner of Bolivian jungle

The Tsimane “have the lowest reported levels of coronary artery disease of any population recorded to date,” according to the paper written by a team of doctors and anthropologists. 

By calorie count, about 14 percent of the Tsimane diet is protein, 14 percent is fat and 72 percent is carbohydrate. (By contrast, the typical U.S. adult diets has more fat — about 16 percent protein, 33 percent fat and 51 percent carbohydrate, according to Centers for Disease Control statistics.)

“Importantly," the scientists who studied the Tsimane wrote, their "carbohydrates are high in fiber and very low in saturated fat and simple sugars, which might further explain our study findings.”

The Tsimane also exercise — a lot.

https://www.washingtonpost.com/news/wonk/wp/2017/03/17/these-people-eat-monkeys-and-piranhas-they-also-have-the-lowest-rates-of-heart-disease-ever-measured/?utm_term=.9f5613ac1c26