COPD is a chronic disease. Cigarette smoking is the biggest cause. If you hang around other smokers a lot, that can play a role, too. You might also develop this condition if you’ve been exposed to things like dust, air pollution, or certain chemicals for long periods of time. In rare cases, your genes may put you at risk for COPD. People who lack a protein called alpha 1 anti-trypsin (AAT) may be more likely to develop it. If they smoke and have COPD, it tends to get worse faster.
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| Stem cells COPD treatment |
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