More accurate: Is the answer that birds may cause hypersensitivity pneumonitis. Fortunately, they do not cause asthma (cause still unknown) or COPD (=fancy word for smoker's lung). Should you avoid these animals? Not more than cats or pigeons. You may want to discuss the need for lung function testing with your doc.
Answered 5/23/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
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