There’s a lot you probably don’t know about the Buddha. For one, the real Buddha was thin. And before he became the “Enlightened One,” he was a pampered prince named Siddhartha. He tried starving himself in his quest for inner peace, but found that extremes brought him no closer to enlightenment. Instead, he sought a “middle way” between unhealthy overindulgence and unrealistic abstinence. The instructions he gave his monks about eating, more than 2,500 years ago, were surprisingly simple....