A Doctor’s Guide to Better Hand Washing: Hand-washing tips to avoid getting sick | Men's Journal | CALS in the News | Scoop.it

We've all heard the old adage that the most important thing you can do to protect against colds and the flu is to regularly wash your hands – and it's true. To improve your chances of not contracting a cold, switch to a liquid soap, as germs can thrive on bars of soap. Hand sanitizers are also potent weapons against germs, but not all are created equal. Look for one with at least 60 percent alcohol, like Purell, which will kill the flu virus, advises Charles Gerba, an environmental microbiologist at the University of Arizona and coauthor of 'The Germ Freak's Guide to Outwitting Colds and Flu.'