23 Daily Habits of People Who Never Get Sick

They press elevator buttons with their elbow

Everyday mistakes can raise your risk of catching a cold—and that includes touching surfaces that many, many other people have touched. A University of Arizona study found that a virus spreads to over 50 percent of surfaces and other employees within hours when a single person in an office is infected. Partha Nandi, MD, a leading physician and author of Ask Dr. Nandi, advises avoiding touching common surfaces when possible. Even after you wash your hands, “use a paper towel to turn off the faucet,” he says. These are the nine signs a cold is coming–and how you can stop it.

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