Cancer is, of course, something we all fear, a collection of diseases that strike us down unexpectedly and often put us at the mercy of a deeply flawed and exploitative medical system. So it can help to identify the factors that leads us down this path and take action to minimize such risks. We don’t smoke cigarettes, we try to consume organic foods whenever possible to minimize the carcinogenic effects of herbicides and pesticides, we avoid getting sunburned—advice you are all likely familia...