The Skeptic's Guide to Health, Medicine, and the Media S01 E12 Is It Really OK to Stop Flossing?

You might have seen a headline recently stating that flossing your teeth is a complete waste of time, or might have read that new guidelines mean your blood pressure might be high. But did you also read that many doctors do not agree with those changes? Probably not. Learn why health recommendations can suddenly change and how to determine if those changes apply to you.