Emphysema:

One reader, a medical herbalist, takes issue with a suggestion last time to try bromelain for emphysema. Mucus is a polysaccharide derivative – ie, a carbohydrate – and so a protein-digesting enzyme would not help. Instead, try fresh garlic as this acts as a disinfectant and decongestant. Another reader suggests American Marsh Pennywort (hydrocotyle umbellate), a plant that’s choking up the waterways in England at the moment, but might do wonders for your emphysema.