What aspects would you take from this article and what would you discard?
More tea/fish/less stress/fermented soy?
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Why would I cherry-pick anything from the article?
Overall, I found it really well written. It did not immediately drop into the preconceived (somewhat racist / ethnist) notion that "all Japanese eat a lot of rice", which I appreciated. It fully described sweet potato consumption, and the only grain mentioned in the actual was rice, and it was mentioned by the author for their own dining experience, not by an expert nor an interviewed person; this is funny, since the words "plenty of whole grains" was stated by the author, in regards to their healthy diet.
So, seriously: seaweed, sweet potatoes, squid and octopus, lots of other fish, fermented soy / tofu, and some rice. That sounds like one of the best traditional diets I've seen.
Nothing to leave really from that article. But what's really the dietary take home message from blue zones and long-lived peoples? A diet mostly of plants, with small amounts of animal product. That sounds to be essentially what we all propose to eat, aside from the low-carbers and tiny carnivore faction.
Paleo probably should take note of how little animal product is really necessary for good health and longevity. It's not measured in pounds per day, it's mere ounces. The base of our food pyramid need not be meat, but rather plants.