Here's what causes bronchitis, how the illness usually spreads and how you can treat symptoms if it affects you or a loved ...

ROME (AP) — Pope Francis woke up Tuesday to good news from his doctors: They upgraded his prognosis and say he is no longer ...

A COVID-19 study done at the University of Virginia (UVA) has the potential to create new treatment approaches for chronic ...

Treating clean indoor air as a public good would have protected Americans against all sorts of airborne diseases. In the ...