Lung Health Guide: Managing COPD, Infections & Asthma

Breathing disorders like COPD and pulmonary fibrosis require a combination of pharmacological tools, airway clearance techniques, and environmental management.

man who has a headache

What Are the Effects of Low Blood Oxygen Levels?

Blood carries oxygen to every cell in your body to allow them to live and function properly. Low blood oxygen levels -- known as hypoxemia -- typically refer to an oxygen level in your arteries less than 80 millimeters of mercury (mm Hg).

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Woman with sore throat

Causes of High Carbon Dioxide in the Blood

Carbon dioxide, a byproduct of metabolism, is carried in the blood to the lungs, where it is exhaled into the atmosphere. A high level of carbon dioxide in the blood, called hypercapnia, is usually accompanied by an increase in breathing to help return levels to normal.

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