We feature superfoods from Okinawa Prefecture in southwestern Japan that may contribute to long, healthy lives. Parts of Okinawa are home to many centenarians. Their diet is rich in foods that have been shown to enhance longevity. Shima-dofu, or Okinawan-style tofu, contains isoflavones that can support bone strength. Mozuku seaweed may fend off lifestyle illnesses and help fight cancer. We'll also share recipes based on Okinawa's traditional cuisine that you can enjoy at home.