Serious conditions behind bloody cough symptoms revealed. Life-threatening diseases that cause alarming blood in cough ...

Long-term air pollution exposure in adults, even at low levels, is linked to increased risk for pneumonia and other ALRIs requiring hospital care.

In patients with COVID-19, preexisting immunity and Omicron infection were associated with reduced disease severity and upper respiratory symptom presentation.

A rare cell in the lining of lungs is fundamental to the organ-wide response necessary to repair damage from toxins like ...

Symptoms of respiratory tract infection in childhood are common; more than two thirds of children experience such symptoms over a 6-month period 1 and they are the most common reason for young ...