Abstaining from eating confronts the cultural lies we believe about our bodies.I stood frozen in the cereal aisle. On either side of me were thousands of boxes and bags of breakfast grains stretched out row after row, in scores of varieties: Vitamin fortified! Extra marshmallows! Cinnamon clusters with organic wheat germ for twice your daily fiber!For the past four and a half years, I’d been living in another country, limited to the street of local food vendors near my house. I’d wal