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Comment by baldfat | Hacker News Reader

It's safe because humans had to fast. Think about it, humans didn't have a fridge and fast food. Humans had to go through fasting and in now way except the elite have 21 meals a week.

When you read books in history winter sucked because the lack of food. They would normally ration and it would literally be feast or famine. Just the way we evolved was to be able to do this.

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While I believe fasting is safe your logic is flawed. If I following your logic, what would the answer be to "Is it safe to not brush your teeth or visit the dentist"

It's safe because humans had no access to dental hygiene. Think about it, humans had neither toothbrush or toothpaste. And there where no dentist. Humans had to go through life without proper dental hygiene.

Obviously, not taking good care of your teeth is not a good idea. Even though our ancestors didn't.

>Obviously, not taking good care of your teeth is not a good idea. Even though our ancestors didn't.

TBF our ancestors weren't eating much

Didn't say it was a benefit (I think there is a benefit though personally). My logic was that it was a common occurrence that humans evolved with the ability to go through long periods of fasting. You can go 40+ days without eating and live and that seems pretty amazing how the human body has adapted.

Also looks like cleaning our teeth goes much further back then tooth paste (19th Century Invention) https://recipes.howstuffworks.com/ancestors-eat-to-clean-tee...

If you eat what our ancestors ate, then you don't need to brush your teeth.[1]

[1] https://www.westonaprice.org/health-topics/dentistry/the-inv...

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