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.
Lemon essential oil may be good for colds and congestion Photo Credit lemon image by Aleksei Volkhonsky from Fotolia.com. There are many essential oils that many claim are useful in treating the symptoms of colds and congestion.Use essential oils in a blend, with other essential oils and a carrier oil, in the bath or through inhalation.ine Essential Oil. Pine essential oil is good for relieving congestion and helping to clear the nasal passages. Pine oil is bactericidal, antiseptic and expectorant in its actions. Use pine oil to relieve sore throats and clear catarrh.