According to a commentary in the Journal of the Royal Society of Health, aromatherapy is one of the most actively growing forms of alternative healing. The author of the article states that aromatherapy encourages the healing process largely through relaxation and the relief of stress. Also stated is that the actual mode of action of essential oils in humans is still unknown, although there is in vitro evidence to suggest that essential oils can act as an antimicrobial or antioxidant agent or have a pharmacological effect on various tissues. Source: www.infotrieve.com. Read More.