New Delhi, May 16 -- For many of us, a delayed meal is just a minor inconvenience. At most it makes us irritable, but generally, like nature's call, hunger can be kept at bay for an hour or two: we can starve through unending meetings without harm to ourselves, and can even extend joyful moments well past mealtime. But did you know that being able to dodge food-for just half an hour more without an ounce of anxiety-could be a real superpower?

Over 100 million Indians live with diabetes, and many use medication, including insulin shots. One common side-effect of diabetes treatment is that it can reduce your sugar more than you want. The solution is simple in theory: eat enough so that the insulin dose has enough carbs to keep working with...