In 2016, a Japanese biologist won the Nobel Prize for discovering that your body eats itself. And it saves your life. Yoshinori Ohsumi spent 27 years studying yeast cells. Scientists called it useless research. Funding was nearly impossible. But he kept going. He was obsessed with one question: What happens when cells don’t get food? He discovered autophagy. The process where your body breaks down and recycles its own damaged cells. When you fast, your body doesn’t just burn fat. It cleans house