With the opening of the spring season, seasonal allergies can make you unhappy. Hay Fever, also known as allergic rhinitis, is characterized by nasal ..
Asthma is a chronic disease that blocks the airways and makes it difficult to breathe. In asthma, the smooth muscles around the airway contract in res..
Chronic obstructive pulmonary disease (COPD) is a lung disease that can be explained as the inability to easily exhale the air taken into the lungs by..
The bronchi are large and medium-sized airways that carry the air we breathe from outside to the alveoli, where the blood is oxygenated.BronchitisBron..
Sinusitis is an infection of the sinuses, which can be defined as air-filled pockets around the nasal cavity.SinusitisSinuses are structures that, und..