for the research of therapeutically effective drugs. Consequently, the use of herbs in aromatherapy dates to around 1200 BC and these have been used in ancient civilizations for medical purposes, among others. 14,15 According to National Center for Complementary and Integrative Health (NCCIH), Americans spend more than $30.2 billion per year on aromatherapy, as well as global spending is expected to grow to $5 trillion by 2050; showing how this approach has gained acceptance and popularity recently. Aromatherapy uses essential oils (EOs) to cause a positive effect on mood, behavior, and wellness, in fact, several investigations have evaluated the therapeutic effects of EOs in mental health. However, further studies are needed to support the use of EOs in the treatment of mental health disorders. Therefore, the aim of this study was to evaluate the effect of Rosmarinus officinalis essential oil on anxiety, depression, and sleep quality.
MATERIALS AND METHODS
Plant materialFresh leaves of Rosmarinus officinalis were obtained from a local market and verified by Segundo Leiva Gonzales, Biol, and deposited at the Herbarium Antenor Orrego (HAO) of Antenor Orrego University.