Low oxygen, called hypoxia, is a known feature of the pancreatic cancer microenvironment and a contributor to tumor aggressiveness and resistance to therapy. However, the impact of high CO2 levels on pancreatic cancer has been considerably less studied. Read more . . .
Chronic obstructive pulmonary disease or COPD is associated with higher rates of many cancers, including lung, esophagus, colon, bladder and breast cancer. Often a result of many years of smoking, the disease makes it hard to breathe, leaving patients with lower levels of oxygen and higher levels of carbon dioxide in their blood.