What Makes You Cold? A Few Answers [VIDEO]

Let's be real: this has been an unusually mild winter in Western New York. The Deep Freeze could hit us at any time during this season. But there are some people who just seem cold, no matter how balmy the weather. What's the deal with that?

There are some medical reasons for feeling chilled. Dr. Manny Alvarez, of FoxNews.com, explains: