Oxygen (O2) is essential for life
Specific tests are used to measure the oxygen level in the blood. If your blood levels are lower than the acceptable level, oxygen will be prescribed to ensure acceptable levels.
Studies have shown that the benefit of using oxygen correctly will reduce stress on the heart and improve quality of life.
If you suffer from certain diseases such as COPD (chronic obstructive pulmonary disease: Chronic bronchitis, Emphysema, Chronic Asthma), cystic lung diseases or congestive Heart failure problems and this may lead to decrease in blood oxygen levels.