If you've ever struggled to keep your fat intake in check, good news: The latest buzzworthy diet says it's thequality of fat you eat, not the quantity. And in fact, more fat is good, even saturated ...

Dave Asprey, author of the forthcoming Bulletproof Diet, believes that some foods contain "antinutrients"—toxin-like chemicals that he says can trigger inflammation and make you a slave to cravings.