Situated in the Department of Psychology at the University of Guelph, our research team uses unique methods to conduct applied research on non-suicidal self-injury (NSSI) and related mental health issues affecting youth and young adults. Central to our work is the use of the Internet as a research platform and outreach tool.  Major goals of our research program include: a) understanding the scope, nature, and impact of online NSSI activity and communication; b) understanding and fostering NSSI recovery; c) developing novel ways to reach and help those who presently struggle with NSSI; and d) enhancing mental health literacy, resilience and wellbeing among youth and emerging adults.


Dr. Lewis gave a Tedx Talk in which he shared his lived experience with self-injury, depression, and suicide.

  • SiOS, our non-profit outreach initiative, has now been reached in over 150 countries across the globe!

  • Our team was in Orlando, Florida in June of 2019 for annual conference of the International Society for the Study of Self-injury

  • The SiM-Health Lab welcomes one new graduate student to our team: Chantal Dougan

  • The SiM-Health Lab welcomes two new honours students to our team: Jordan Robinson and Chelsey Fedchenko


We are currently NOT accepting applications for undergraduate research positions. Please feel free to check back later or contact Dr. Lewis directly if you would like to join our team in the future.

Dr. Lewis is accepting 1 graduate student for Fall 2020.