where does it go? What's it used for? Are you eating it with out even knowing it?
Part 1
http://www.vice.com/video/you-dont-know-shit-part-1-811
Part 2
http://www.vice.com/video/you-dont-know-shit-part-2-851
Part 3
http://www.vice.com/video/you-dont-know-shit-part-3-851
Part 1
http://www.vice.com/video/you-dont-know-shit-part-1-811
Part 2
http://www.vice.com/video/you-dont-know-shit-part-2-851
Part 3
http://www.vice.com/video/you-dont-know-shit-part-3-851