Read the prologue to BAD ADVICE: OR WHY CELEBRITIES, POLITICIANS, AND ACTIVISTS AREN'T YOUR BEST SOURCE OF HEALTH INFORMATION, by Paul A. Offit, M.D. Offit shares hard-earned wisdom on the dos and don’ts of battling misinformation. From conspiracy theories linking vaccines to autism to Holocaust and climate-change denial. Bad Advice is a humorous guide to taking on quack experts and self-appointed activists and a must-read for any American disturbed by politicized attacks on science.