The first, the “biological challenge” of cancer, involves “harnessing the fantastic rise in scientific knowledge . . . to conquer this ancient and terrible illness.” But the second, the “social challenge,” is just as acute: it involves forcing ourselves to confront our customs, rituals, and behaviors. These, unfortunately, are not customs or behaviors that lie at the peripheries of our society or selves, but ones that lie at their definitional cores: what we eat and drink, what we produce and exude into our environments, when we choose to reproduce, and how we age.
