Sinusitis: Causes, Symptoms, and First Aid Awareness in Canadian Workplaces
Sinusitis is a condition involving inflammation of the sinuses—the air-filled spaces behind the cheeks, forehead, and nose. When these spaces become swollen or blocked, mucus does not drain properly, which can lead to pressure, congestion, and discomfort. Sinusitis affects people of all ages and is commonly linked to colds, allergies, or ongoing nasal irritation. In […]
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