Your body produces mucus naturally to protect your respiratory system, and under normal circumstances, this protective fluid remains clear and relatively thin. However, when mucus suddenly changes to ...

An abscess is a pus-filled bump or pocket that forms in or on your body due to an infection. Bacterial infections are the most common cause of abscesses, though an abscess can also form due to a viral ...

Benign lung nodules can have a few different causes. These include current and past infections in the lungs and inflammation in the body from a condition like rheumatoid arthritis. A lung nodule is a ...

Read at the Annual Meeting of the Massachusetts Medical Society, Section of Tuberculosis, June 5, 1935. Rice, G. Arnold — Bronchoscopist, Rutland State Sanatorium, Rutland, Mass. For record and ...