Larissa is a postdoctoral researcher at the University of Zurich, Switzerland, who has specialized in substance abuse research and health psychology. For more than four years, she has conducted several significant research studies at the Swiss Research Institute for Public Health and Addiction (ISGF) in Zurich, an affiliated institute of the University of Zurich. Her main research has focused on the epidemiology of pharmacological cognitive enhancement and recreational drug use among adolescents and young adults. She has implemented an instrument for the early detection of problematic substance use patterns in nightlife settings to improve both prevention and harm reduction, collaborating closely with the Swiss drug testing services and local nightlife projects. In addition, Larissa is part of the Core Research Team of Global Drug Survey (GDS) aiming to make drug use safer, regardless of the legal status of the drug.