Brady, Ellen, Segar, Julia, Sanders, Caroline · Journal of medical Internet research · 2016 · DOI
This study asked 20 people with ME/CFS and 21 people with diabetes about how they share information on online health forums and what privacy means to them. The researchers found that people carefully decide what personal details to share online, changing their approach depending on the situation and who they're talking to. Rather than having simple rules about what's private or public, people make complex, individual decisions about how much of themselves to reveal.
This research is important because ME/CFS patients frequently rely on online forums for support and information sharing, yet may not fully understand privacy risks. The study reveals that researchers and platform developers should not assume forum posts are truly 'public' data—participants experience these spaces as semi-private communities deserving of consent and protection. Understanding how people with ME/CFS actually experience online privacy can inform better ethical practices and help protect vulnerable patients in digital health spaces.
This study does not establish what actual privacy risks exist on forums or whether privacy concerns are justified. It also does not prove that current research practices using forum data are unethical—only that a gap exists between perceived and actual privacy. The findings describe participants' beliefs and behaviors but do not validate their accuracy or determine optimal privacy practices.
About the PEM badge: “PEM required” means post-exertional malaise was an explicit required diagnostic criterion for participant inclusion in this study — not that PEM was studied, observed, or discussed. Studies using criteria that do not require PEM (e.g. Fukuda, Oxford) are tagged “PEM not required”. How the atlas works →
The first block is for the primary paper and is the citation you should use in research work. The atlas-snapshot line only applies if you are specifically referring to this atlas’s reading of the paper on the date shown.
Primary citation
Brady, Ellen, Segar, Julia, & Sanders, Caroline (2016). "I Always Vet Things": Navigating Privacy and the Presentation of Self on Health Discussion Boards Among Individuals with Long-Term Conditions.. Journal of medical Internet research. https://doi.org/10.2196/jmir.6019
BibTeX
@article{mecfsatlas-brady-2016-always-vet,
author = {Brady, Ellen and Segar, Julia and Sanders, Caroline},
title = {"I Always Vet Things": Navigating Privacy and the Presentation of Self on Health Discussion Boards Among Individuals with Long-Term Conditions.},
journal = {Journal of medical Internet research},
year = {2016},
doi = {10.2196/jmir.6019},
note = {PubMed: 27737819},
url = {https://www.mecfsatlas.com/evidence/brady-2016-always-vet},
}Atlas snapshot reference
ME/CFS Atlas. Generator v1 / Scanner v1.4 / policy v0.1. Accessed 2026-05-30. https://www.mecfsatlas.com/evidence/brady-2016-always-vet
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