Found in 1 comment on Hacker News
augustl · 2010-06-27 · Original thread
More common misconceptions are debunked in "Don't Swallow Your Gum!: Myths, Half-Truths, and Outright Lies About Your Body and Health".

http://www.amazon.com/Dont-Swallow-Your-Gum-Half-Truths/dp/0...

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