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"Old people don't need to take a pill, they need to take a walk," argues Dr. Walter Bortz. He bashes the "corrupt," profit driven U.S. healthcare system for distorting the medical environment.
"Nobody's out there trying to prevent cancer, they're all so busy treating it because you get paid for it," he says.
Dr. Walter Bortz considers the main determinants of human health to be the same as those that affect the condition of a car: design, accidents, age, and maintenance.
"It's the maintenance that is the critical one," he says. "A fit person of 70 is as an unfit person of 40."