MedicalResearch.com Interview with: Helen Louise Brooks BSc, MRes, PhD Psychology of Healthcare Research Group Department of Psychological Sciences, Institute of Psychology, Health and Society University of Liverpool, Liverpool, UK   MedicalResearch.com: What is the background for this study? What are the main findings?  Response: It is increasingly being acknowledged that companion animals can have a positive impact on mental health. However, there has been no systematic review of the evidence related to how pets might benefit people living with mental health problems.