“A broadening fear of the ubiquity of environmental toxins, and a declining sense of community responsibility … The steadily widening disparity between the age of first-time mothers at the top and the bottom of society (mothers who have chosen to delay childbearing generally have higher levels of education and are more likely to reject vaccination, considering themselves ‘experts on their own children’), overconfidence in the power of children to fight off infectious disease thanks to the phenomenal success of vaccination, and the rise among elite groups of ‘healthism’—the belief that healthy eating and exercise can protect against infectious diseases that, through virtually the whole of human history, have imperiled our lives.” Those are a few of the reasons that the anti-vax movement has been around almost as long as vaccinations. In the New York Review of Books, Gavin Francis provides an interesting look back at our Resistance to Immunity.