Steam inhalation can help open the nasal passages and get relief from the symptoms of a cold or sinus infection. Learn about the benefits and risks.

Some COVID-19 patients have experienced silent hypoxia, a condition causing low oxygen levels (without obvious symptoms). This condition can be fatal.

Read the latest research on pneumonia, including how it is contracted, new treatments and more.

In a recent study evaluating the etiology of swine pneumonia in the finishing phase in Brazil, the bacterial agents found were Mycoplasma hyopneumoniae, Pasteurella multocida, M. hyorhinis, ...