Scientific laws are considered established and universally applicable (to certain class of things or phenomenon under appropriate conditions) but not necessarily definitive. Also called laws of science.
Afflictions of the respiratory system include irritation and infection of the ears, nose and throat. Respiratory problems also may involve congestion, which can be decreased by inhaling rosemary (especially the verbenone type), hyssop (use var. decumbens only), tea tree, eucalyptus, lavender or peppermint.
Stuffy Nose: Oils with decongestant and expectorant properties can assist with clearing nasal congestion. Oils include Tea Tree, Rosemary, Eucalyptus, Fir and Pine. Headaches: Two of the most helpful oils for headaches are Lavender and Peppermint. Anti-viral: Many essential oils have anti-microbial properties. Those that are particularly noted for being anti-viral are Cinnamon, Clove, Eucalyptus, Lavender, Oregano, Ravensara, Sandalwood, Tea Tree, and Thyme. Please note that if you are blending for a child, or have children around many of the oils in this post are not advised.