In recent years, essential oils have seen a big surge in popularity: as substances extracted from plants, they’re marketed as pure and natural remedies with a wide-ranging potential to treat anything from anxiety and insomnia to your house plant pest. After all, they’re natural, so they should be healthy, right? In this episode, we debunk some of the myths surrounding essential oils and look into the science behind them with our very own Julien who explores the topic as part of his PhD research at the Czech University of Life Sciences, making this a second, and definitely not the last, instalment of episodes dedicated to medicinal plants in English.