Countless children (and adults, for that matter!) are habitual nail-biters, hair-twisters, thumb-suckers or nose-pickers. When might those behaviors be cause for concern? Even if they are apparently harmless habits, are there reasons to try to put an end to them? University of Minnesota pediatrician Dr. Andy Barnes brings reassurance and practical advice to this lively chat with Marti & Erin! TUNE IN HERE.