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164. Okinawa diet: Life expectancy among highest in world and primarily plant based

People from the Ryukyu Islands (of which Okinawa is the largest) have a life expectancy among the highest in the world,[2] although the male life expectancy rank among Japanese prefectures has plummeted in recent years.[3] (my add: due to adoption of western diet- less soy, more burgers)

The traditional diet of the islanders contains 30% green and yellow vegetables. Although the traditional Japanese diet usually includes large quantities of rice, the traditional Okinawa diet consists of smaller quantities of rice; instead the staple was the sweet potato. The Okinawan diet has only 25% of the sugar and 75% of the grains of the average Japanese dietary intake.[4]

The traditional diet also includes a relatively small amount of fish (less than half a serving per day) and more in the way of soy and other legumes (6% of total caloric intake). Pork was highly valued, and every part of the pig was eaten, including internal organs. However, pork was primarily eaten on holidays, and the daily diet was mainly plant based

In addition to their high life expectancy, islanders are noted for their low mortality from cardiovascular disease and certain types of cancers. Wilcox (2007) compared age-adjusted mortality of Okinawans versus Americans and found that, during 1995, an average Okinawan was 8 times less likely to die from coronary heart disease, 7 times less likely to die from prostate cancer, 6.5 times less likely to die from breast cancer, and 2.5 times less likely to die from colon cancer than an average American of the same age..

http://en.wikipedia.org/wiki/Okinawa_diet