1. Aromatherapy uses essential oils extracted from plants to treat both physical and mental ailments. It has been used since ancient times in Egypt, India, and Greece. 2. The term "aromatherapy" was coined by French chemist Gattefosse to describe the therapeutic use of essential oils. It works through the sense of smell, as aromatic molecules stimulate the brain via the olfactory system. 3. An aromatherapist will diagnose a patient by learning about their health history and symptoms. They then select specific essential oils to address the issue, deciding on application methods like massage, inhalation, or baths. Treatment aims to have quick effects through carefully chosen oils