Are there any long term, life long, low carb or keto diet people?

I've read that keto is fine in the short term, but our bodies are not meant to be in that for the long term, so I was wondering if there were people who prove that it is a good life long diet. PS, I don't mean 1 year, or 5 years, or even 10, I mean people before us who have been on it from their young or... show more I've read that keto is fine in the short term, but our bodies are not meant to be in that for the long term, so I was wondering if there were people who prove that it is a good life long diet.

PS, I don't mean 1 year, or 5 years, or even 10, I mean people before us who have been on it from their young or adult life into their senior years.
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