How does diabetes affect your lungs?

Increased infection: Proving that diabetes affects the lungs directly is difficult and the "jury is still out". However, diabetic patients have increased risk for pneumonia and influenza. Both infections can affect your lungs. Diabetics should recieve annual flu shots because of this reason. The new guidelines for Pneumovax (pneumonia shot) is to give the shot before age 65 and repeat it on a patients 65th bday.

It doesn't: I don't know of any way the diabetes directly affects the lungs.