Scientists Traveled to the Bolivian Amazon Looking for Clues About Dementia — What They Found Changes Everything
When CNN’s Dr. Sanjay Gupta traveled deep into the Bolivian Amazon, he expected to find a community shaped by hardship. What he found instead has since become one of the more quietly startling stories in modern medical research. Deep in the tropical forests of lowland Bolivia, roughly 17,000 people known as the Tsimané live in …



