Washington: College education and moderate alcohol intake is linked to lower chronic obstructive pulmonary disease (COPD) risk, says a new study.COPD is one of the most common lung diseases, having two forms; chronic bronchitis, which involves a long-term cough with mucus, and emphysema, which involves destruction of the lungs over time. Most COPD patients have a combination of both conditions. Its leading cause is smoking.Researchers from Kaiser Permanente Medical Group in Oakland, California, followed 126,019 people who supplied baseline data from 1978-1985 through 2008 with analyses of hospitalisations attributed to COPD (emphysema, chronic bronchitis, or chronic airway obstruction), according to a Kaiser Permanente statement.
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