David Smahel, Ph.D. is a Professor at the Faculty of Social Studies and the Faculty of Informatics, Masaryk University, Czech Republic. He is a member of the Interdisciplinary Research Team on Internet and Society (IRTIS: irtis.fss.muni.cz), which researches the social-psychological implications of the internet and technology. Current research focuses on digital technology and health, adolescents’ and adults’ internet use, the online risks of children and adolescents, online addictions and ICT security. He is the editor of Cyberpsychology: Journal of Psychosocial Research on Cyberspace and co-authored the book Digital Youth: The Role of Media in Development (Springer, 2011). Hana Machackova, Ph.D. is a postdoctoral researcher at Masaryk University, Czech Republic, where she works at the Faculty of Social Studies. She is a member of the Interdisciplinary Research Team on Internet and Society (IRTIS). Her research interests include online aggression and cyberbullying, online communities, health and digital technology, online participation, and self-disclosure and privacy on the internet. Martina Smahelova, M.A. is a junior researcher at the Institute for Research on Children, Youth and Family, Faculty of Social Studies at Masaryk University, Czech Republic and a member of the Interdisciplinary Research Team on Internet and Society (IRTIS). Her main interest lies in qualitative data analysis and she studies the experiences of children and families in the context of new media, the behavior of children on the internet, and privacy and self-disclosure on the internet. She also works on research in the area of health and technologies.Michal Cevelicek, Ph.D. is a postdoctoral researcher at the Department of Psychology, Faculty of Social Studies, Masaryk University, Czech Republic. He is a member of the Center for Psychotherapy Research Brno and a member of the Interdisciplinary Research Team on Internet and Society (IRTIS). His research interests include online psychotherapy, psychotherapy integration, evidence-based case studies, the psychotherapy of medically unexplained somatic symptoms, psychotherapy case formulation, and qualitative research methodology.Carlos Almenara, Ph.D. is a postdoctoral researcher at Universidad Peruana de Ciencias Aplicadas, Peru, and the Faculty of Social Studies, Masaryk University, Czech Republic. He is a member of the Academy for Eating Disorders (AED) and a member of the Interdisciplinary Research Team on Internet and Society (IRTIS). His major research interests are body image, eating behavior, disordered eating, eating disorders, and the uses of technology for behavior change from a public health perspective. Jana Holubcikova Ph.D. is a researcher at the Department of Health Psychology at Pavol Jozef Safarik University in Kosice, Slovakia, and she cooperates with the Institute for Research of Children, Youth and Family at Masaryk University, Czech Republic. Her research is focused on the social and psycho-social determinants of adolescents’ health and health-related behavior. She is a member of the editorial board of the International Journal of Public Health.

• Introduction: Digital Technology, Eating Behaviors, and Eating Disorders.- PART I: Digital Technology and Eating Behaviors.- Digital Technology and Health: A Theoretical Framework.- The Quality of Eating-oriented Information Online.- Technology, Body Image, and Disordered Eating.- Eating-oriented Online Groups.- Using Mobile Technology in Eating Behaviors.- PART II: Digital Technology and Eating Disorders.- Usage of Digital Technology among People with Eating Disorders.- What Healthcare Professionals Should Know about Digital Technologies and Eating Disorders.- Technology-based Prevention and Treatment Programs for Eating Disorders.- Conclusions: Risks and Benefits of Digital Technology in Eating Behaviors and Eating Disorders.

David Smahel, Ph.D. is a Professor at the Faculty of Social Studies and the Faculty of Informatics, Masaryk University, Czech Republic. He is a member of the Interdisciplinary Research Team on Internet and Society (IRTIS: irtis.fss.muni.cz), which researches the social-psychological implications of the internet and technology. Current research focuses on digital technology and health, adolescents’ and adults’ internet use, the online risks of children and adolescents, online addictions and ICT security. He is the editor of Cyberpsychology: Journal of Psychosocial Research on Cyberspace and co-authored the book Digital Youth: The Role of Media in Development (Springer, 2011). Hana Machackova, Ph.D. is a postdoctoral researcher at Masaryk University, Czech Republic, where she works at the Faculty of Social Studies. She is a member of the Interdisciplinary Research Team on Internet and Society (IRTIS). Her research interests include online aggression and cyberbullying, online communities, health and digital technology, online participation, and self-disclosure and privacy on the internet. Martina Smahelova, M.A. is a junior researcher at the Institute for Research on Children, Youth and Family, Faculty of Social Studies at Masaryk University, Czech Republic and a member of the Interdisciplinary Research Team on Internet and Society (IRTIS). Her main interest lies in qualitative data analysis and she studies the experiences of children and families in the context of new media, the behavior of children on the internet, and privacy and self-disclosure on the internet. She also works on research in the area of health and technologies.Michal Cevelicek, Ph.D. is a postdoctoral researcher at the Department of Psychology, Faculty of Social Studies, Masaryk University, Czech Republic. He is a member of the Center for Psychotherapy Research Brno and a member of the Interdisciplinary Research Team on Internet and Society (IRTIS). His research interests include online psychotherapy, psychotherapy integration, evidence-based case studies, the psychotherapy of medically unexplained somatic symptoms, psychotherapy case formulation, and qualitative research methodology.Carlos Almenara, Ph.D. is a postdoctoral researcher at Universidad Peruana de Ciencias Aplicadas, Peru, and the Faculty of Social Studies, Masaryk University, Czech Republic. He is a member of the Academy for Eating Disorders (AED) and a member of the Interdisciplinary Research Team on Internet and Society (IRTIS). His major research interests are body image, eating behavior, disordered eating, eating disorders, and the uses of technology for behavior change from a public health perspective. Jana Holubcikova Ph.D. is a researcher at the Department of Health Psychology at Pavol Jozef Safarik University in Kosice, Slovakia, and she cooperates with the Institute for Research of Children, Youth and Family at Masaryk University, Czech Republic. Her research is focused on the social and psycho-social determinants of adolescents’ health and health-related behavior. She is a member of the editorial board of the International Journal of Public Health.

• Introduction: Digital Technology, Eating Behaviors, and Eating Disorders.- PART I: Digital Technology and Eating Behaviors.- Digital Technology and Health: A Theoretical Framework.- The Quality of Eating-oriented Information Online.- Technology, Body Image, and Disordered Eating.- Eating-oriented Online Groups.- Using Mobile Technology in Eating Behaviors.- PART II: Digital Technology and Eating Disorders.- Usage of Digital Technology among People with Eating Disorders.- What Healthcare Professionals Should Know about Digital Technologies and Eating Disorders.- Technology-based Prevention and Treatment Programs for Eating Disorders.- Conclusions: Risks and Benefits of Digital Technology in Eating Behaviors and Eating Disorders.

David Smahel, Ph.D. is a Professor at the Faculty of Social Studies and the Faculty of Informatics, Masaryk University, Czech Republic. He is a member of the Interdisciplinary Research Team on Internet and Society (IRTIS: irtis.fss.muni.cz), which researches the social-psychological implications of the internet and technology. Current research focuses on digital technology and health, adolescents’ and adults’ internet use, the online risks of children and adolescents, online addictions and ICT security. He is the editor of Cyberpsychology: Journal of Psychosocial Research on Cyberspace and co-authored the book Digital Youth: The Role of Media in Development (Springer, 2011). Hana Machackova, Ph.D. is a postdoctoral researcher at Masaryk University, Czech Republic, where she works at the Faculty of Social Studies. She is a member of the Interdisciplinary Research Team on Internet and Society (IRTIS). Her research interests include online aggression and cyberbullying, online communities, health and digital technology, online participation, and self-disclosure and privacy on the internet. Martina Smahelova, M.A. is a junior researcher at the Institute for Research on Children, Youth and Family, Faculty of Social Studies at Masaryk University, Czech Republic and a member of the Interdisciplinary Research Team on Internet and Society (IRTIS). Her main interest lies in qualitative data analysis and she studies the experiences of children and families in the context of new media, the behavior of children on the internet, and privacy and self-disclosure on the internet. She also works on research in the area of health and technologies.Michal Cevelicek, Ph.D. is a postdoctoral researcher at the Department of Psychology, Faculty of Social Studies, Masaryk University, Czech Republic. He is a member of the Center for Psychotherapy Research Brno and a member of the Interdisciplinary Research Team on Internet and Society (IRTIS). His research interests include online psychotherapy, psychotherapy integration, evidence-based case studies, the psychotherapy of medically unexplained somatic symptoms, psychotherapy case formulation, and qualitative research methodology.Carlos Almenara, Ph.D. is a postdoctoral researcher at Universidad Peruana de Ciencias Aplicadas, Peru, and the Faculty of Social Studies, Masaryk University, Czech Republic. He is a member of the Academy for Eating Disorders (AED) and a member of the Interdisciplinary Research Team on Internet and Society (IRTIS). His major research interests are body image, eating behavior, disordered eating, eating disorders, and the uses of technology for behavior change from a public health perspective. Jana Holubcikova Ph.D. is a researcher at the Department of Health Psychology at Pavol Jozef Safarik University in Kosice, Slovakia, and she cooperates with the Institute for Research of Children, Youth and Family at Masaryk University, Czech Republic. Her research is focused on the social and psycho-social determinants of adolescents’ health and health-related behavior. She is a member of the editorial board of the International Journal of Public Health.

• Introduction: Digital Technology, Eating Behaviors, and Eating Disorders.- PART I: Digital Technology and Eating Behaviors.- Digital Technology and Health: A Theoretical Framework.- The Quality of Eating-oriented Information Online.- Technology, Body Image, and Disordered Eating.- Eating-oriented Online Groups.- Using Mobile Technology in Eating Behaviors.- PART II: Digital Technology and Eating Disorders.- Usage of Digital Technology among People with Eating Disorders.- What Healthcare Professionals Should Know about Digital Technologies and Eating Disorders.- Technology-based Prevention and Treatment Programs for Eating Disorders.- Conclusions: Risks and Benefits of Digital Technology in Eating Behaviors and Eating Disorders.