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Okinawans From Japan
10 May 2022
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Traditional Okinawans are a Blue Zone population — populations with a large percentage of centenarians. What do the Okinawans eat? A predominantly plant-based diet.
Dr Greger

Articles by Dr Greger:

Videos by Dr Greger:

(2020) The Okinawa Diet — Living to 100

(5 mins) Transcript. Dr Greger's summary: "What would happen if you centered your diet around vegetables, the most nutrient-dense food group?"

A screenshot from Dr Greger's video on Okinawan Diet showing that 96% of their diet was plant-based; only 1% of their diet was from fish, <1% from meat, <1% from eggs and <1% from dairy. Over 90% of their calories were 'whole plant foods'. A whopping 69% of their diet was centered around one specific vegetable: purple sweet potatoes!

Source: this FaceBook update by Dr Greger. He explains:

The traditional diet in Okinawa, Japan, one of the longevity Blue Zones, was based on vegetables, beans, and other plants. Less than 1 percent of their diet was fish and less than 1 percent was other meat, and the same with dairy and eggs, so it was more than 96 percent plant-based. And, as they ate very few processed foods, it was more than 90 percent whole food plant-based. And, it wasn’t just whole food plant-based in general. Most of their diet was made up of vegetables with one in particular—the sweet potato. How delicious that the Okinawan diet was centered around purple and orange sweet potatoes!

Dr Esselstyn

Excerpt from A plant-based diet and coronary artery disease: a mandate for effective therapy by Dr Esselstyn, J Geriatr Cardiol, 2017 May; 14(5): 317-320:

"It is increasingly a shameful national embarrassment for the United States to have constructed a billion-dollar cardiac healthcare industry surrounding an illness that does not even exist in more than half of the planet. If you, as a cardiologist or a cardiac surgeon, decided to hang your shingle in Okinawa,[3] the Papua Highlands of New Guinea,[4] rural China,[5] Central Africa,[6] or with the Tarahumara Indians of Northern Mexico,[7] you better plan on a different profession because these countries do not have cardiovascular disease. The common thread is that they all thrive on whole food, plant-based nutrition (WFPBN) with minimal intake of animal products."

Excerpt from Huffington Post Interview with Dr Esselstyn (at Dr Esselstyn's website):

Question: Can heart disease be stopped or even reversed?

Answer: Yes. First we must look at the lessons learned from cultures where there is a virtual absence of coronary artery heart disease such as rural China, the Papua Highlands of New Guinea, Central Africa, and the Tarahumara Indians of Northern Mexico. Their nutrition is plant based without oil.

Excerpt from Plant-Based Nutrition from Dr Esselstyn's website:

"Plant-based nutrition provides us with a pathway to escape the coronary artery disease epidemic. For persons in central Africa, the Papua Highlanders of New Guinea, the Tarahumara Indians of northern Mexico, and inhabitants of rural China as described in the Cornell China Study, coronary disease is essentially non-existent while hypertension, Western malignancies, obesity, and adult onset diabetes are rarely encountered."

Dr McDougall

Excerpt from An Independent Critique of Low-carb Diets: The Diet Wars Continue (2013):

The Okinawans

"In 1949, a government survey found that in Okinawa, known to have the highest concentration of centenarians in the world, the population consumed about 85% of their total energy intake from carbohydrates, with the staple at the time being the sweet potato. The dietary survey also showed that the Okinawans derived about 9% of their energy intake from protein and less than 4% of energy from all sources of animal foods combined (Table 1).10 These findings were largely consistent with previous dietary surveys dating back to 1879 and 1919.11"

"In 1946, Steiner examined autopsies of 150 Okinawans, of which 40 were between the age of 50 and 95. Steiner noted only seven cases of slight aortic atherosclerosis, all of which were found in those over the age of 66, and only one case of calcification in the coronary arteries. In 1946 Benjamin reported similar findings from a study of 200 autopsies on Okinawans.12"

"Even in 1995 the observed rates of coronary heart disease and dietary related cancers, including that of the colon, prostate, breast and ovarian in Okinawa were not only many fold lower than that of the United States, but even significantly lower than that of mainland Japan.10 This may be explained by the likelihood that these diseases are slowly progressive diseases and therefore the more traditional Okinawan diet consumed several decades prior would still have played a major role in the development and manifestation of these diseases.13 14 15"

Dr Peter Rogers

Books: Mentioned by Dr Peter Rogers in the 7-min presentation below:

  • (2005) The Okinawa Diet Plan (432 pages) by Bradley J Wilcox (MD), D Craig Wilcox (PhD) and Makoto Suzuki (MD).
  • (2002) The Okinawa Program (496 pages) by Bradley J Wilcox (MD), D Craig Wilcox (PhD) and Makoto Suzuki (MD).

In a FaceBook comment, Dr Peter Rogers remarked,

"Okinawa is to Japan, what Hawaii is to USA. Okinawans were famous for having lots of centenarians, when they ate a 97% plant based diet, with lots of sweet potatos. Many of them were farmers, and they walked a lot. The had close communities & good social support. They had tremendous respect for their ancestors. They had picnics near graveyard as a sign of respect for ancestors. An Okinawan farmer told me these things. The children are told they have more opportunity than their parents, and are expected to try to become more educated than their parents. Now that fast food is widely available in Okinawa, they are starting to become fat & sick like all populations that eat the SAD diet."

(7 mins, 2022) Okinawa (Japan), Seventh Day Adventists (Loma Linda)
How Healthy Are Modern Okinawans?

An excerpt from What Do the Longest Living People Eat? (2018) by Dr Greger:

"Okinawan longevity is now a thing of the past. Okinawa now hosts more than a dozen KFC restaurants. Okinawans’ saturated fat levels have tripled. They went from eating essentially no cholesterol to a few Big Macs’ worth. They tripled their sodium and are now as potassium-deficient as Americans, getting less than half of the recommended minimum daily intake of 4,700 mg a day. In just two generations, Okinawans have gone from the leanest Japanese to the fattest. As a consequence, there has been a resurgence of interest from public health professionals in getting Okinawans to eat the [traditional] Okinawan diet too!"

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