The latest brutal cold snap is again courtesy of the polar vortex — a large area of cold air that spins over the North Pole — dropping some 3,000 miles south into the U.S. for the 10th time ...

The common cold is not typically harmful, but it can be frustrating to get rid of. Experts recommend hydrating and getting lots of rest in order to shake a cold. The average cold lasts 7-10 days ...