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Just as tree branches end in leaves, the lung’s branches culminate in delicate, leaf-like structures called alveoli, where gases are exchanged. “Those alveoli in the deeper airways make the surface ...

Cigarette smoking is by far the biggest risk factor for lung cancer, data shows — but in a surprising turn of events, the most common form of the disease is primarily found in non-smokers.

Lung cancer survival rates can be as high as 98% for certain cancers diagnosed in an early stage, and as low as 4% for those diagnosed with more aggressive cancers in advanced stages. Survival rates ...

When a person has pneumonia, small sacs in the lungs called alveoli are filled with pus and fluid, which makes breathing painful and restricts oxygen intake. Symptoms can include coughing ...

Feb. 6, 2025 — Despite new medication, cystic fibrosis often leads to permanent lung damage. Researchers have discovered that the disease causes changes in the immune system early in life ...

When a person has pneumonia, small sacs in the lungs called alveoli are filled with pus and fluid, which makes breathing painful and restricts oxygen intake. Symptoms can include coughing ...

ROME — Pope Francis is suffering from pneumonia in both lungs, the Vatican disclosed late Tuesday, as officials cleared his schedule through the weekend because of a “complex” infection ...

After Pope Francis was hospitalized last week for bronchitis, the Vatican has now announced that he has pneumonia in both lungs, with tests continuing to indicate a “complex clinical picture.” ...

ROME (AP) — Pope Francis’ respiratory tract infection is presenting a “complex clinical picture” that will require further hospitalization, the Vatican said Monday as concerns grew about ...