NOT JUST FOR WEIGHT LOSS: A neuroscientist explores the science and history of intermittent fasting, revealing the wide-ranging mental and physical benefits of this time-tested eating pattern. Most of us eat 3 meals a day with a smattering of snacks because we think that's the normal, healthy way to eat. But when we look at the eating patterns of our distant ancestors, we can see that an intermittent fasting eating pattern is normal--and...