
FRIDAY, May 28, 2021 (HealthDay News) -- A native South American population that lives a pre-industrial lifestyle may have a slower rate of brain aging than the typical Westerner, a new study finds.The study focused on the Tsimane population, whose roughly 16,000 members dwell in a remote part of the Bolivian Amazon. They live by farming, hunting, gathering and fishing — a lifestyle devoid of processed food, couch time and streaming.Past research has found that even older Tsimane adults rarely suffer from the afflictions common in today's age, including obesity, high blood pressure, diabetes and clogged heart arteries.The new study looked at whether the Tsimane also fare better in a measure of brain health: Age-related atrophy, or shrinkage of brain tissue.The answer, the researchers...