We all know that washing our hands is a must before we eat and after a trip to the restroom, but skip the hand sanitizer and lather up with good old-fashioned soap instead. Not only does that antibacterial gel dry out your skin, it's also not as effective as soap and water at protecting against a nasty norovirus (an ugly stomach bug). And diarrhea and vomiting can really put a cramp on those weekend plans.
Contrary to popular boot-camp belief, sit-ups are not the cure-all for muffin tops. In fact, research shows that these