This week, we’re looking at what the evidence has to say about common claims about diet, exercise, weight loss and other hot health topics. We’re joined by health law professor Timothy Caulfield, to talk about his book The Cure for Everything! Untangling the Twisted Messages About Health, Fitness and Happiness. And researcher and science blogger Scicurious looks at a new study of coffee consumption, and the effect it may – or may not – have on life expectancy.