Lessons in Longevity from Japanese Eating Habits

Japan is among the world's longest-living nations. Meals are rich in vegetables, fish, soy, rice and green tea — in moderate portions.

A traditional Okinawan principle is hara hachi bu — stop eating when you are 80 percent full.

Our own tradition of rice, lentils, fish and vegetables is just as healthy; we only need less oil, sugar and processed food.