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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Warm milk helps you sleep. Yes, milk contains tryptophan, the same sedative found in turkey, but you’d have to drink a lot to knock you out for the night. The response people feel from it is entirely psychological, so it can help you fall asleep if you think it will.