“…Laypeople and experts disseminate descriptions of symptoms, criteria and diagnostic tests via various media platforms (Edenroth-Cato, 2018; Edenroth-Cato et al, 2016; Giles & Newbold, 2011; Skagius et al, 2018). Such knowledge influences how people identify themselves as individuals with particular brains, bodies and personalities (Bertilsdotter Rosqvist & Jackson-Perry, 2020; Fox et al, 2005; Mogensen & Mason, 2015; Ortega & Choudhury, 2011). This article examines how young people in a Swedish online forum and in blogs engage with one such popularized psychological label and personality trait, the highly sensitive person (HSP), and how they position themselves in relation to this category as part of discussing and accounting for who they are, their experiences in life and their histories of illness, health and well-being.…”