Found in 1 comment on Hacker News
andreygrehov · 2018-05-25 · Original thread
For anyone interested to read about fasting, there is an amazing book written by Arnold Ehret, Mucusless Diet Healing System [1], published in 1922. Interesting fact, the book is from Steve Jobs' reading list.

[1] https://www.amazon.com/Mucusless-Diet-Healing-System-Scienti...

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