Chronic obstructive pulmonary disease or COPD is a disease that causes destruction of airways in the lungs. In the United States, its the fourth highest cause of death. Every year, more than 85,000 people die from COPD.
In most of cases, the root cause for COPD is smoking or consumption of tobacco. Naturally, COPD causes a number of health problems and reduces the life expectancy of those who suffer from it. If detected and treated early, life expectancy can be greatly increased, and if smoking is stopped immediately, lung has the capacity to recover dramatically. This, in turn, increases the life expectancy.
In cases where the intensity of COPD has developed beyond the initial stages, giving up smoking alone may not help increase life expectancy. In such cases, oxygen therapy is given and the patient must inhale oxygen through a mask or nasal cannulae placed beneath his nostrils. The patient needs to purchase oxygen tanks for home use, or portable versions for travel. Nowadays, oxygen concentrator machines that use air to produce oxygen are effective replacements for traditional oxygen tanks.
In many cases, when COPD is in its final stages, even oxygen...
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