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.
Use birth control that follows your monthly cycle. Traditional birth control pills are based on a 28-day cycle. In the past, doctors sometimes adjusted the dosage for women with painful or heavy periods. But with the advent of extended-cycle birth control pills, you can skip your period altogether or have it just a few times a year.
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