Ever wondered why poop floats? Turns out it’s not because of fat, like you may have heard.

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Sources:
https://medlineplus.gov/ency/article/...
http://www.nejm.org/doi/citedby/10.10...
https://www.ncbi.nlm.nih.gov/pmc/arti...
http://healthtools.aarp.org/health/st...
https://www.ncbi.nlm.nih.gov/pubmed/2...
https://www.ncbi.nlm.nih.gov/pmc/arti...
http://www.nature.com/ajgsup/journal/...
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