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Research explains why women tend to be colder than men.
Here's the skinny on some new science.
Snow may accumulate south and east of the D.C. area as the cold weather continues.
The D.C. region is warming up a little bit on Sunday from the cold of the past few days, but that's just a respite from what's to come.
The Centers for Disease Control and Prevention says colds are the main reason why children miss school. In fact, 22 million school days are lost each year because of the common cold.
Scientists may have unraveled one of the great medical mysteries of all time: who gets the common cold and why.