* The herb Boneset (Eupatorium perfoliatum) has a long history of being used effectively in cases of influenza and [[fever]].
* Oils that contain anti-bacterial, anti-viral properties and treat respiratory problems include eucalyptus, ginger, cypress, lemon, cedarwood, tea tree and lavender. Place a few drops of essential oil of choice into a large bowl of boiling water, cover your head with a towel and inhale. Don't get too close as steam can burn the nasal passages.
*[[Zinc]] is necessary for a healthy immune system.
== Warnings ==