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The pill works by expanding to make you feel full (100-to-1 ratio claimed).

Here is a link to a 4min animation and a 1 minute live video (pill in glass of water):

http://www.gelesis.com/content/technology/

Thanks for the link to the video. I had imagined it acting like expanding polyurethane foam. I see it looks more like mush, which doesn't seem as dangerous.

April Fools Day will never be the same again.

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