What's the Problem With Mouth Breathing?

Sally Kohn: I volunteered for an experiment, me and one other person, in which we were plugged up for ten days. We took data on our physiological state three times a day. And yes, as advertised, mouth breading completely destroyed usd the data is very clear on that. She says people with chronic alergies have trouble breathing through their noses; 15 to 20% of them also suffer from seasonal alogies. When alogy season comes up, guess what else comes up? Snoring and sleep apnea.