Habushu: Okinawa's Secret To Longevity?

Amid its picturesque landscapes and clear blue shores, okinawa, a small island off the coast of japan, is home to some of the world's longest living people. Hara hachi bu is an old adage in okinawa meaning eating till you are 80 percent full, which correlates to eating in moderation and extending life expectancy. Okinawa, nestled among picturesque landscapes with azure blue seas, is famed for the notable longevity of its inhabitants. Decades of research by longevity expert dan buettner.