The American Academy of Pediatrics recommends that parents teach their children "cough etiquette" when they are sick. It involves teaching children to turn their heads and cough or sneeze into a ...

Is the flu here? I see co-workers coughing without covering their mouths. Please remind everyone of "cough etiquette." I don't want the flu or whatever they have. -- A.C.H., Tulsa.

Everyone has a cough from time to time. In fact, coughing can serve a useful purpose by ridding the lungs of irritants or excess mucus. Coughing may also help remove germs from the lungs and prevent ...