Vw: If i say to my patients, stop eating fat, i know that half of them will promptly go away and substitute it with refined carbohydrates and sugar. We also know that if you do directly substitute fat for refined carbohydrates, exactly the same thing happens. So i think what i'm saying s sugar is bad, absolutely no question. Sugar contributes to obesity,absolutely no question. Saturated fat, i think, is also bad. There is good evidence that saturated fat increases insulen resistance. That itit makes it more difficult for your body to deal with insulen or to pond to sugar. And that means it produces more insulem, which does what makes you