Online support groups are considered highly valuable in addition to traditional health care services, but we know very little about how people actually join such a group. This book offers a microanalysis of an online support group on eating disorders, specifically the communication through textual messages between newcomers and regular members and members' nicknames. The study uses an ethnomethodological and conversation analytical approach to show that members of online support groups treat the group as a community in which their illness-identity is highly relevant. It appears that members...