This site has detailed information on emphysema and other Chronic Obstructive Pulmonary Diseases (COPD), such as chronic bronchitis.

Play a game to learn how Dr. Robert Koch discovered tuberculosis' cause. You'll "discover and experience some of the classic methods used to detect whether a specific bacterium causes a disease."

A complete multi-media learning experience for young children to learn about the breathing condition, asthma.

This page from the National Institute of Neurological Disorders and Stroke website has information on Anoxia and Hypoxia, including definitions, treatment, prognosis, research, and references.