... citratus (lemon grass), Moringa, Phyllanthus amarus, avocado (Persea americana), and Gardonema mushroom. Researchers have also identified asthma herb (Euphorbia hirta), pawpaw (Carica papaya), bitter melon (Momordica charantia) and guava (Psidium guajava) extracts as potential ‘cures’ ...