“We did not evolve in such a world, where every waking moment carries its own microemergency. Prolonged exposure to such conditions tends to confuse our ancient protective mechanisms, exhausting the body’s stress-arousal systems and lowering resistance to disease. And yet despite these warning signs, we press on. Drawn forward by debt, desire, or both, Americans are emerging as the first addicts of the technological age, driven still by some ancient instinct for self-preservation that in our time of affluence is misplaced. Ironically, we are better tuned physiologically to face the privations and dangers inherent in an unexpected terrorist attack than we are to endure the relentless propositions and stressful abundance of our consumer society. It is in this blind pursuit of material prosperity that Americans have begun to push the boundaries of human adaptation, as is evidenced by rising levels of greed, anxiety, and obesity. In”