Sometimes when we get sick, our body reacts by cranking up our internal temperature to make a fever. This helps get rid of invading bacteria or viruses. But sometimes when you have a fever, you feel cold instead of hot. What’s up with that? We asked ER doctor Joe Alcock to help us find the answer. Got a question that’s just chillin’ in your brain?? Send it to us at BrainsOn.org/contact, and we’ll work feverishly to find the answer!