How much should a person weigh to be healthy? Which diet should they follow? Should they diet at all? How long should they exercise? Everybody’s got an opinion, and advice is administered like flu shots in December, but for the most part, it’s not much different from what’s been printed, pitched, televised or sold for the last 40 years. Most women have heard it all before, and it hasn’t made any difference in their ability to achieve their weight loss and fitness goals. Maybe it’s time for a dif...