Some health rules are followed religiously, but really have no medical or scientific foundation at all. Here are 13 popular rules that aren't as hard-and-fast as you might think.
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Muris Kuloglija Kula/SXC
The 'five-second' rule. We’ve all heard this one when someone scoops food off the floor, as if germs stand by with a stopwatch to wait to latch onto food.