Trying to understand why the common cold hits some people hard – sometimes leading to serious medical complications – but gives other people just the sniffles has been difficult for scientists. But a ...

Over 200 kinds of respiratory viruses can cause colds, with the average adult catching a cold four to six times a year. Five common viral infections that often cause colds include rhinovirus, ...

Many people across cultures grow up hearing that cold weather makes you sick. Going outside without a coat, breathing in cold air, sleeping in a chilly room, getting caught in cold rain or snow, or ...