What Kind Of Sore Is That?Winter is in full swing in New York, as we could tell by the Valentine’s Day weekend cold front. And the CDC recently announced that the flu has become widespread in our state. One thing has a tendency to appear along with fevers and colds is the dreaded cold sore. Of course, there are other types of mouth sores that are just as painful, such as the canker sore. How do you know what’s what and what causes it? (more…)