The<unk>  factors for<unk> 's<unk>  include excessive exposure to moldy  hay or any other offending agent.If patient is having underlying<unk>  pathology, he will be at more<unk>  of developing the cough or breathlessness.
Farmer's lung risk factors
Air embolism risk factors
Pneumonia risk factors
Pulmonary edema risk factors
Cough risk factors
Acute bronchitis risk factors
Pneumoconiosis risk factors
Chronic bronchitis risk factors