Radon comes from the radioactive breakdown of naturally occurring radium found in most Florida soils, and in most earthen material used in the building process. In the vast majority of buildings with radon problems, the largest source of radon is soil gas entering the building through small openings in the foundation.
Symptoms of nasal cavity cancer and paranasal sinus cancer include chronic congestion, recurring infections of the sinuses, headaches and recurring nosebleeds, according to Cancer.net.
Hallmark symptoms of sinusitis include: pain in the cheeks, forehead or around the eyes (often, these areas are painful to the touch), upper jaw, teeth, neck, ears or deep pain at the top of your head. headache in the morning. puffy, swollen eyelids and tissue around the eyes. nasal stuffiness and congestion to the point that you can't breathe.