Dr Lena Oestreich’s research aims to revolutionize the way we diagnose and treat mental illness by exploring new ways to understand mental illnesses and developing innovative treatments, with the ultimate goal of finding a cure. Specifically, she investigates new methods to better understand the neurobiological foundations of mental illnesses, with a focus on depression and complex trauma. By employing Big Data techniques, she aims to conduct comprehensive studies and collectively analyze a variety of data types. This approach helps unravel the complexities of these conditions. A particular focus is on the potential of psilocybin, a psychedelic substance found in certain mushrooms, to provide lasting relief from mental illnesses. This research could open up new pathways for treatment, offering hope to many.