What is frontal sinusitis and what causes it?
The sinuses are cavities that produce mucus. If a person has frontal sinusitis, the cavities just behind the eyes become inflamed, and the mucus cannot drain correctly. Infections, allergies, or long-term health issues may be responsible. Here, we examine the causes of frontal sinusitis and how treatments vary. Lesen Sie weiter auf: What is frontal [...] .../Auszug
