Legal highs are substances that mimic illegal drugs like cocaine and cannabis but are not regulated. Nitrous oxide, also called laughing gas or balloons, is one popular legal high that causes euphoria and relaxation but also carries risks. While legal, nitrous oxide has been linked to 17 deaths between 2006-2012 and is used frequently by 500,000 young people globally. The interviewees were made aware of nitrous oxide's dangers but responses varied on future use.