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.
Used in conjunction with lemon, eucalyptus, and tea tree essential oils, this thyme essential oil will help eliminate congestion. Used on its own, this essential oil contains antibacterial and antiviral properties, helping to prevent you from getting sick in the fist place. This essential oil is not recommended for those with high blood pressure.