Section Quiz. 1  Participants do not know they are part of a study. 2  The researcher has no control over who is in the study. 3  It is larger than an ordinary sample. 4  Everyone has the same chance of being part of the study.
That's right, the ringing you are hearing in your ears right now is at least partly related to the foods you ate earlier today. Yes, food allergies really can cause Tinnitus or make your existing symptoms worse.
Allergies. Symptoms of both sinusitis and allergic rhinitis include nasal obstruction and congestion. The conditions often occur together. People with allergies and no sinus infection may have: 1  Thin, clear, and runny nasal discharge. 2  Itchy nose, eyes, or throat (do not occur with bacterial sinusitis). 3  Recurrent sneezing. number of medical conditions put people at risk for chronic sinusitis. They include: 1  Diabetes. 2  Gastroesophageal reflux disease. 3  Nasal polyps or septal deviation. 4  AIDS and other disorders of the immune system. 5  Oral or intravenous steroid treatment.