Study estimates that an 80 year old from the Tsimane (pronounced chee-MAH-nay) group had the same vascular age as an American in their mid-fifties.

The Tsimane people – a forager-horticulturalist population of the Bolivian Amazon – have the lowest reported levels of vascular ageing for any population, with coronary atherosclerosis (hardening of the arteries) being five times less common than in the US, according to a study published in The Lancet and being presented at the American College of Cardiology conference.

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