Scientists have discovered a previously unrecognized way that human airways protect lungs from infection—through the action of cilia, tiny hair-like structures lining the respiratory tract.

At some point during the evolution of life on Earth, inorganic matter became organic, nonliving matter became living. How ...

Excessive alcohol consumption causes alcoholic liver disease, and about 20% of these cases progress to alcohol-associated ...

Inhaling agricultural dust may pose significant risks to gut health for workers in animal agriculture, a University of ...