Many authorities warn against missing even a single meal because it could make you extra hungry and unable to avoid temptations, leading to overeating and ultimately no weight loss. Studies of caloric intake do, in fact, show a slight increase on the first day after fasting. On the day after a one-day fast, average caloric intake increases from 2,436 to 2,914. But if you factor in what would have normally been consumed during that two-day period, 4,872 calories, there is still a net deficit of 1,958 calories. The increased calories don’t come close to making up for the lack of calories on the
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