You've heard it all before: Always wash your hands, never eat raw cookie dough, and never double dip. But bacteria can be wily little fellows, and it only takes a few thousand of them to lay you low for a couple of days. Nearly one out of four people get food poisoning every year. Take our true-false quiz to find out if you know how to avoid the infamous "stomach flu."
Last updated Jun 27, 2009
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