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by ceejayoz 4059 days ago
> To think that something that even bacteria and molds won't be able to eat and break down is going to enter my body as sustenance...that's a little unsettling.

Do you eat salt? Dried pasta? Rice? Honey? None of these things really go off, either.

http://aht.seriouseats.com/archives/2010/11/the-burger-lab-r...

> It means that there's nothing that strange about a McDonald's burger not rotting. Any burger of the same shape will act the same way. The real question is, why?

TL;DR: moisture content is the issue. If you get a thin, dry piece of supermarket bread it'll sit there forever too.