what essential oils are good to diffuse for bronchitis?
['Eucalyptus essential oil. ... ', 'Rosemary essential oil. ... ', 'Peppermint essential oil. ... ', 'Frankincense essential oil. ... ', 'Oregano essential oil. ... ', 'Thyme essential oil. ... ', 'Geranium essential oil. ... ', 'Cinnamon essential oil.']