7. Mom was probably wrong about wet hair in the wintertime. Does being wet and cold make people more vulnerable to colds? Probably not, says Schaffner.
In the end, while you can lower the odds of getting sick, the reality is that "you're going to get a cold anyway—it's a question of how many," says Aaron Glatt, president and CEO of New Island Hospital in New York and a spokesperson for the Infectious Diseases Society of America.