Clearly an illuminati conspiracy.
we need to contact dan brown about that!
Why would you even post a question like this? Your kids need to see a dentist, or a doctor for their sinuses, adenoids or tonsils.
I know with mine it's because they didn't brush their teeth before bed the night before. They just went in the bathroom and used the cavity rinse or they just fooled around in the bathroom with the light on and the water running for about 2 or 3 minutes.