This document provides an overview of aromatherapy including its history, methods of use, and benefits. It discusses that aromatherapy has roots in indigenous medical practices over 5,000 years ago and was further developed in early 20th century Europe. Modern aromatherapy involves using essential oils through methods like inhalation, skin absorption, or internally. The document lists several extraction methods and notes that distillation and cold pressing are preferred by naturalists. It also provides brief descriptions of the olfactory system and how aromas can impact memory, emotions, and health when used properly in aromatherapy.