Illness and the EnvironmentIn myriad ways, humans have gradually tailored their world to meet immediate material needs. In so doing, we have, in the minds of many, systematically altered a formerly hospitable environment into one more ambiguous in its effect on the human organism. Just as environments have adapted in response to human activity, so too is the human body now, in turn, forced to adapt to these altered conditions. Today, mysterious illnesses, from chronic fatigue