Among the treats in the menu at a "longevity restaurant" (an eatery claiming to serve food that will make patrons live longer) in Ogimi, Okinawa, are silver sprat fish, bitter grass with creamy tofu, daikon, seaweed, tapioca with purple potato and potato leaves, and pork cooked in the juice of tiny Okinawan limes. Hungry Planet: What the World Eats (p. 192). Hara hachi bu: "eat only until 80 percent full," say older Okinawans. The island has been the focus in recent years of researchers trying to discover why a disproportionately large number of Okinawans are living to age 100 or more. This image is featured alongside the Matsuda family images in Hungry Planet: What the World Eats.