17 Mar 2023 --- Studies suggest that using the UK Change4Life Food Scanner app reduces healthcare resource costs, school absences and workplace productivity losses and a modest cost per quality of adjusted life years for parents using it. However, additional research is needed with a larger sample, longer follow-up period and economic modeling. NutritionInsight sits down with lead author Sundus Mahdi, a Ph.D. researcher at the University of Sheffield, UK, who has evaluated different aspects of the Food Scanner app in multiple studies.