This is the first 1,000 characters of 448 words (1.79 pages) in the essay titled Emphysema
Emphysema is one of several diseases usually labeled collectively as chronic obstructive pulmonary disease (COPD). It’s the most common cause of death from respiratory disease in the United States; approximately 2 million Americans are afflicted with the disease. Emphysema(COPD) appears to be more prevalent in men than women. Postmortem findings reveal few adult lungs without some degree of emphysema.
Emphysema(COPD) may be caused by a genetic deficiency of alpha 1 -antitrypsin (AAN) and by cigarette smoking. Genetically, one in 3,000 newborns are found with the disease, and 1% to 3% of all cases of emphysema are due to AAT deficiency. Cigarette smoking is thought to cause 20% of the cases. Other causative factors are unknown.
In emphysema(COPD), complications may include recurrent respiratory tract infections, cor pulmonale, and respiratory failure. Peptic ulcer disease strikes 20% to 25% of patients with COPD. Additionall...
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