This creates a bigger space in the chest and the change in pressure makes air flow in through the nose and mouth, come down the windpipe and into the lungs. When humans breathe out, their ...

There are 61 confirmed human cases of bird flu in people in the U.S., according to the Centers for ... People can get bird ...

PSMA also lights up saliva glands, but unexpectedly, other areas in the human head started to shine ... lubricate the upper ...

Stifling a sneeze by clamping your nose and mouth shut can cause serious physical damage, doctors are warning. Medics in Leicester treated a 34-year-old man who ruptured his throat while trying to ...

The Marburg virus, which causes bleeding from the eyes, nose, and mouth, can be fatal in up to 90% of those infected Cara Lynn Shultz is a writer-reporter at PEOPLE. Her work has previously ...