I've been dieting on and off for years and have tried just about every diet. Low carb is the ONLY thing that has ever worked for me and my doctor is fully supportive. He sees what works for his patients including cholesterol levels, blood pressure, blood sugar, etc. and he knows the key is to cut out carbs. We need some carbs obviously but we can get those from our veggies, some nuts, and other healthy carb sources. I love avocados! Grains are completely out for me but I'd love to eventually be able to add in some whole grains eventually but not until I hit goal.