Lemon essential oil (Citrus limonum) has shown in studies to reduce anxiety and depression in humans. It may also be a useful tool for studying. In a 2008 study, key constituents (taken internally) that reduced both physical and psychological stress included limonene and citral.
Instructions: Blend these ingredients together and rub on body. Avoid sun exposure with the topical use of citrus essential oils. Discontinue use with any irritation.
Instructions: Fill a tall glass with sparkling mineral water. Juice half a lemon and mince about ten peppermint leaves and add to the glass. Stir with a spoon. Drink and enjoy.
Lemon Rosemary Diffuser Blend for Studying
Instructions: Drop three drops of each essential oil into a 5 ounce diffuser to help with studying.
 Fukumoto, S., Morishita, A., Furutachi, K., Terashima, T., Nakayama, T., & Yokogoshi, H. (2008). Effect of flavour components in lemon essential oil on physical or psychological stress. Stress and Health, 24(1), 3-12.
 Cha, J. H., Lee, S. H., & Yoo, Y. S. (2010). Effects of Aromatherapy on Changes in the Autonomic Nervous System, Aortic Pulse Wave Velocity and Aortic Augmentation Index in Patients with Essential Hypertension. Journal of Korean Academy of Nursing, 40(5).
 Rho, K. H., Han, S. H., Kim, K. S., & Lee, M. S. (2006). Effects of aromatherapy massage on anxiety and self-esteem in korean elderly women: a pilot study. International Journal of Neuroscience, 116(12), 1447-1455.
 Komori, T., Matsumoto, T., Motomura, E., & Shiroyama, T. (2009). P. 2. g. 008 Effects of lemon and valerian inhalation on autonomic nerve activity in depressed and healthy subjects. European Neuropsychopharmacology, 19, S475-S476.
 Komiya, M., Takeuchi, T., & Harada, E. (2006). Lemon oil vapor causes an anti-stress effect via modulating the 5-HT and DA activities in mice. Behavioural Brain Research, 172(2), 240-249.
 Lopes Campêlo, L. M., Gonçalves e Sá, C., de Almeida, A. A. C., Pereira da Costa, J., Costa Marques, T. H., Mendes Feitosa, C., … & Mendes de Freitas, R. (2011). Sedative, anxiolytic and antidepressant activities of Citrus limon (Burn) essential oil in mice. Die Pharmazie-An International Journal of Pharmaceutical Sciences, 66(8), 623-627.
 Jimbo, D., Kimura, Y., Taniguchi, M., Inoue, M., & Urakami, K. (2009). Effect of aromatherapy on patients with Alzheimer’s disease. Psychogeriatrics, 9(4), 173-179.
 Ogeturk, M., Kose, E., Sarsilmaz, M., Akpinar, B., Kus, I., & Meydan, S. (2010). Effects of lemon essential oil aroma on the learning behaviors of rats. Neurosciences, 15(4), 292-293.
 Zhou, W., Fukumoto, S., & Yokogoshi, H. (2013). Components of lemon essential oil attenuate dementia induced by scopolamine. Nutritional neuroscience.