Should you cook with coconut oil or vegetable oil? Eat butter, cream or olive oil? Supplement with fish oil or flax oil? Sometimes it seems as if everyone has a different opinion on these crucial questions - but this book holds real answers. Bestselling author and teacher Dr Joseph Mercola teams up with cardiovascular expert Dr James DiNicolantonio to cut through the confusion about how dietary fats affect our bodies and set the record straight on how to eat for optimal well-being. You'll read about: - The many health problems supposedly caused by saturated fat-that actually aren't - Why the so-called healthy vegetable oils are actually making you sick and fat - The optimal ratio of omega-3 to omega-6 fats in your diet - Foods that help resolve inflammation, increase longevity, and fight or prevent chronic illness - A cyclical ketogenic eating plan that keeps your body burning fat as healthy fuel - And much more.