"Fake News" was 2016's word of the year (according to the Macquarie Dictionary). Can "fake news" make you sick ? Doctor Karl meets a fact-checking scientist. Ben Goldacre reviews articles in medical Journals. Ben is "Senior Clinical Research Fellow" at the Center for Evidence-Based Medicine at Oxford University and he says there are reasons to be concerned. (His Dead cat is a professional member of the American Association of Nutritional Consultants - proof that fancy titles means nothing.)