13 health rules you can break
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.
Coffee makes you dehydrated. People living in warm climates are usually warned not to consume too much caffeine because of its diuretic properties, which could lead to dehydration. A recent study showed that people who drank decaffeinated beverages only had a three percent difference in water retention, thus showing that caffeine and caffeinated beverages don’t cause dehydration.
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