This specialised handout describes a unique study using essential oils to lessen workplace stress in the health care industry. Aromatherapy was introduced among hospital emergency room workers through a wellness initiative by Tonya McBride. The front of the sheet discusses what essential oils are and how they can affect a person's mood. The back side charts the before and after perceived stress levels of the ER personnel in the experiment. This handout is a great way to share some scientific results from a significant study about essential oils.