The medicalization of early diagnosis not only hampers and discourages preventative health-care but it also trains the patient-to-be to function in the meantime as an acolyte to his doctor. He learns to depend on the physician in sickness and in health. He turns into a life-long patient.
The bicycle is the perfect transducer to match man's metabolic energy to the impedance of locomotion. Equipped with this tool, man outstrips the efficiency of not only all machines but all other animals as well.
__Ivan Illich, Energy and Equity, 1974