The origins of aromatherapy date back thousand of years. Essential oil must be treated like medicines. Aromatherapy is a form of altemative medicine that uses volatile plant materials, known as essential oils, and other aromatic compounds for the purpose of altering a person's mind, mood, or health. Many such oils are described by Dioscorides, along with beliefs of the time regarding their healing properties, in his written in the first century. Distilled essential oils have been employed as medicines since the invention of distillation in the eleventh century, when Avicenna isolated...