Tom was eager to learn more about my approach to diabetes reversal. I explained that 15-20 percent weight loss was usually sufficient to achieve remission of type 2 diabetes, and a 10% weight loss was usually sufficient to reduce the A1c about three-quarters of the way toward remission. In his case a 20% weight loss would be 44 pounds, a reduction from 220 pounds down to 176. He agreed that would be an appealing weight. If he was fortunate, even a 30 pound loss might be enough for remission but we would not know until he got that far. To lose the weight he would obviously have to change his eating and exercise, and to find the right balance between effectiveness and sustainability. Too strict and he would not be able to sustain. Too lax and he would not achieve sufficient weight loss. I...