As Americans prepare for the height of flu season, health experts keep saying "Wash your hands, wash your hands."
That's great advice, but we wanted more information. What should we wash with? Is antibacterial soap better than regular soap? And do hand sanitizers really work?
"Good Morning America" put them all to the test. We went to the University of Maryland, a world leader in food safety and microbiology, and did a small, informal test in which we basically washed our hands until they...Full Story