You don't want to miss a moment of that long, hot summer. But one extreme sunburn, too many bug bites, or some sand-gone-bad can darken even the sunniest of days. Knowing how to stay healthy, though? Priceless. For every firefly, there's some piece of advice or long-held belief that may or may not be rooted in reality. U.S. News busts 10 summer health myths:
Myth or truth?