Lung cancer is among the most common cancers worldwide. In the United States and other industrialized countries, it’s the major cause of cancer mortality. Emphysema is a term that describes structural ...

A CT scan of healthy lungs looks typical in size with no inflammation, allowing the diaphragm to dome. Lungs with emphysema can look overinflated, with muscle loss, making the diaphragm misshapen. The ...

How to take still and video images of your favorite specimens: from attaching a camera to choosing a digital camera that photographs directly. When you purchase through links on our site, we may earn ...