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.
We also discuss some other conditions that can mimic sinusitis. SYMPTOMS. Sinusitis, or rhinosinusitis, results from inflammation of the lining of the nasal passages and paranasal sinuses. The paranasal sinuses are air spaces that fill your cheeks, forehead, and areas between your eyes. While the bones of the face and forehead may feel solid, they are actually hollow.