A. Daga, G. Gramaglia, C. Pierò, A. Fassino, and S. , Eating disorders and the Internet: cure and curse, Eating and Weight Disorders - Studies on Anorexia, Bulimia and Obesity, vol.99, issue.2, pp.68-71, 2006.
DOI : 10.1007/BF03327763

A. Abbott, Of Time and Space: The Contemporary Relevance of the Chicago School, Social Forces, vol.75, issue.4, pp.1149-1182, 1997.
DOI : 10.2307/2580667

A. Abbott, Time Matters: On Theory and Method, 2001.

V. Adt and C. Fischler, Les journalistes, les medias et l'obésité. Rapport final d'exécution de la convention DGS, pp.100-52, 2005.

M. Akrich and C. Méadel, Les échanges entre patients sur l'internet. La presse médicale, pp.1484-1493, 2009.

M. Akrich and C. Méadel, Internet : intrus ou m??diateur dans la relation patient/m??decin ?, Sant??, Soci??t?? et Solidarit??, vol.8, issue.2, pp.87-92, 2009.
DOI : 10.3406/oss.2009.1362

A. Reis and V. , Ana e Mia na ???nova??? rede: comunidades re??nem anor??xicas e bul??micas na Web 2.0, Rumores ? Revista de Comunicação, Linguagem e Mídias, 2008.
DOI : 10.11606/issn.1982-677X.rum.2008.51115

J. T. Allen, The spectacularization of the anorexic subject position. Current Sociology, pp.56-60, 2008.

M. Amaral, O Fenômeno do culto ao corpo moderno e a magreza como símbolo de beleza: estudo sobre o movimento 'Pró-Ana' no Brasil, pp.25-28, 2008.

L. Andrist, Media Images, Body Dissatisfaction, and Disordered Eating in Adolescent Women, MCN, The American Journal of Maternal/Child Nursing, vol.28, issue.2, pp.119-223, 2003.
DOI : 10.1097/00005721-200303000-00014

S. Ashida and C. A. Heaney, Differential Associations of Social Support and Social Connectedness With Structural Features of Social Networks and the Health Status of Older Adults, Journal of Aging and Health, vol.22, issue.5, pp.872-893, 2008.
DOI : 10.1177/0898264308324626

L. Atkins, Health: 'It's better to be thin and dead than fat and living. The Guardian, 23 juillet, 2002.

S. Audrey, J. Holliday, and R. Campbell, It's good to talk: Adolescent perspectives of an informal, peer-led intervention to reduce smoking, Social Science & Medicine, vol.63, issue.2, pp.320-334, 2006.
DOI : 10.1016/j.socscimed.2005.12.010

E. Bakshy, I. Rosenn, C. Marlow, and L. Adamic, The role of social networks in information diffusion, Proceedings of the 21st international conference on World Wide Web, WWW '12, pp.519-528, 2012.
DOI : 10.1145/2187836.2187907

A. M. Bardone-cone and K. M. Cass, Investigating the impact of pro-anorexia websites: a pilot study, European Eating Disorders Review, vol.54, issue.4, pp.256-262, 2006.
DOI : 10.1002/erv.714

A. M. Bardone-cone and K. M. Cass, What does viewing a pro-anorexia website do? an experimental examination of website exposure and moderating effects, International Journal of Eating Disorders, vol.20, issue.6, pp.537-548, 2007.
DOI : 10.1002/eat.20396

J. A. Barnes, Classes sociales et réseaux dans une île de Norvège. trad. fr. de Class and committees in a Norwegian island parish, J. Grange, Réseaux, issue.182, pp.6-209, 1954.
DOI : 10.3917/res.182.0209

V. Bauman, Wannarexic' girls yearn for eating disorders. USA Today, 4 août, 2007.

R. M. Bell, Holy Anorexia, 1985.

L. F. Berkman and S. Syme, SOCIAL NETWORKS, HOST RESISTANCE, AND MORTALITY: A NINE-YEAR FOLLOW-UP STUDY OF ALAMEDA COUNTY RESIDENTS, American Journal of Epidemiology, vol.109, issue.2, pp.186-204, 1979.
DOI : 10.1093/oxfordjournals.aje.a112674

L. F. Berkman and T. Glass, Social integration, social networks, social support, and health, 2000.

C. Bidart, L'amitié, un lien social, 1997.

C. Bidart, A. Degenne, and M. Grossetti, La vie en réseau. Dynamique des relations sociales, 2011.

J. Boase, J. B. Horrigan, B. Wellman, and L. Rainie, The Strength of Internet Ties. Rapport, Pew Internet and American Life Project, 2006.

N. Boero and C. J. Pascoe, Pro-anorexia Communities and Online Interaction: Bringing the Pro-ana Body Online, Body & Society, vol.35, issue.4, pp.27-57, 2012.
DOI : 10.1177/1357034X12440827

S. Bordo, Unbearable Weight, 1993.

D. L. Borzekowski, S. Schenk, J. L. Wilson, and R. Peebles, e-Ana and e-Mia: A Content Analysis of Pro???Eating Disorder Web Sites, American Journal of Public Health, vol.100, issue.8, pp.1526-1534, 2009.
DOI : 10.2105/AJPH.2009.172700

E. Bott, Family and Social Network, 1957.

R. Bromme, R. Jucks, and A. Runde, Barriers and biases in computer-mediated expertlayperson-communication Barriers and Biases in Computer-mediated Knowledge Communication: And how they may be Overcome, pp.89-118, 2005.

A. Broom, Virtually He@lthy: The Impact of Internet Use on Disease Experience and the Doctor-Patient Relationship, Qualitative Health Research, vol.15, issue.3, pp.325-345, 2005.
DOI : 10.1177/1049732304272916

S. R. Brotsky and D. Giles, Inside the ???Pro-ana??? Community: A Covert Online Participant Observation, Eating Disorders, vol.11, issue.2, pp.93-109, 1080.
DOI : 10.1080/10640260600638865

J. J. Brumberg, Fasting Girls: The Emergence of Anorexia Nervosa as a Modern Disease, 1988.

C. M. Bulik, A. C. Heath, N. G. Martin, A. J. Stunkard, and L. J. Eaves, Relating body mass index to figural stimuli: population-based normative data for Caucasians, International Journal of Obesity, vol.25, issue.10, pp.1517-1524, 2001.
DOI : 10.1038/sj.ijo.0801742

R. S. Burt, Structural Holes: the Social Structure of Competition, 1992.

R. S. Burt, Brokerage and Closure. An Introduction to Social Capital, 2005.

C. Rodríguez and J. M. , Anorexia, bulimia y Internet: Aproximación al fenómeno pro- Ana y Mía desde la teoría subcultural, Frenia, vol.7, issue.1, pp.127-144, 2007.

T. M. Cardinal, N. Kaciroti, and J. C. Lumeng, The Figure Rating Scale as an Index of Weight Status of Women on Videotape*, Obesity, vol.26, issue.12, pp.2132-2135, 2006.
DOI : 10.1038/oby.2006.249

A. A. Casilli and S. Sanchez, Status and use of food products with health claim (FPHC) in the USA, France and Japan : An anthropological perspective, Food Quality & Preference, vol.19, issue.8, pp.682-691, 2008.
URL : https://hal.archives-ouvertes.fr/hal-00666477

A. A. Casilli, Les liaisons numériques : vers une nouvelle sociabilité ? Paris : Seuil, 2010.

A. A. Casilli and F. Pailler, ANAMIA Egocenter: How to draw social networks of friends and contacts, vidéo en ligne, Youtube, 25 juin. URL: < https, 2013.

A. A. Casilli, F. Pailler, and P. Tubaro, Le phénomène pro-ana : panique morale et effets paradoxaux de la censure, Le Monde ? Internet Actu, vol.16, 2012.
DOI : 10.4000/books.pressesmines.2462

A. A. Casilli, F. Pailler, and P. Tubaro, Online networks of eating-disorder websites: why censoring pro-ana might be a bad idea, Perspectives in Public Health, vol.133, issue.2, pp.94-95, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00780295

A. A. Casilli, P. Tubaro, and P. Araya, Ten years of Ana. Lessons from a transdisciplinary body of literature on online pro-eating disorder websites. Information pour les Sciences Sociales, pp.121-139, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00682318

A. A. Casilli, Un nouvel art de jeûner ? Performativité du corps dans le Web des troubles alimentaires, Communications, vol.92, issue.1, pp.111-123, 2013.

A. A. Casilli, L. Mounier, F. Pailler, and P. Tubaro, Les jeunes et le web des troubles alimentaires : dépasser la notion de 'pro-ana'. Rapport final du projet de recherche ANR ANAMIA « La sociabilité Ana-mia : Une approche des troubles alimentaires par les réseaux sociaux en ligne et hors-ligne, 2013.

A. A. Casilli, J. Rouchier, and P. Tubaro, How to Build Consensus in a Health-Oriented Online Community: Modeling a ???Pro-Ana??? Forum, Revue fran??aise de sociologie, vol.55, issue.4, pp.731-764, 2014.
DOI : 10.3917/rfs.554.0731

URL : https://hal.archives-ouvertes.fr/hal-01463904

A. A. Casilli, Voir pour comprendre et comprendre pour voir. I2D -Information, Données et Documents, pp.40-41, 2015.

D. Centola, The Spread of Behavior in an Online Social Network Experiment, Science, vol.329, issue.5996, p.3, 2010.
DOI : 10.1126/science.1185231

J. Chambry, L'anorexie mentale masculine, une réalité méconnue, La revue du praticien, vol.58, issue.2, p.179, 2008.

P. A. Chardel, R??seaux num??riques et pratiques de soi??: le cas des communaut??s ????Ana-mia????. R??interroger l???articulation du droit et de l?????thique, ??thique publique, vol.15, issue.2, 2013.
DOI : 10.4000/ethiquepublique.1295

E. B. Chesley, J. D. Alberts, J. D. Klein, and R. E. Kreipe, Pro or con? Anorexia nervosa and the internet, Journal of Adolescent Health, vol.32, issue.2, pp.123-124, 2003.
DOI : 10.1016/S1054-139X(02)00615-8

N. A. Christakis and J. H. Fowler, The Spread of Obesity in a Large Social Network over 32 Years, New England Journal of Medicine, vol.357, issue.4, pp.370-379, 2007.
DOI : 10.1056/NEJMsa066082

E. Cohen-cole and J. M. Fletcher, Is obesity contagious? Social networks vs. environmental factors in the obesity epidemic, Journal of Health Economics, vol.27, issue.5, pp.1382-1387, 2008.
DOI : 10.1016/j.jhealeco.2008.04.005

J. S. Coleman, Social Capital in the Creation of Human Capital, American Journal of Sociology, vol.94, pp.95-120, 1988.
DOI : 10.1086/228943

J. S. Coleman, Foundations of Social Theory, 1990.

A. Coutant and T. Stenger, Processus identitaire et ordre de l'interaction sur les réseaux socionumériques. Les enjeux de l'information et de la communication, pp.45-64, 2010.

N. Crossley, Towards Relational Sociology, 2011.

C. Gomez, J. D. Bothorel, C. Poulet, and F. , Community detection and visualization in social networks: integrating structural and semantic information, ACM transactions on intelligent systems and technology ? TIST, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00763931

E. Csipke and O. Horne, Pro-eating disorder websites: users' opinions, European Eating Disorders Review, vol.41, issue.3, pp.196-206, 2007.
DOI : 10.1002/erv.789

S. A. Cunningham, E. Vaquera, C. C. Maturo, and K. M. Venkat-narayan, Is there evidence that friends influence body weight? A systematic review of empirical research, Social Science & Medicine, vol.75, issue.7, pp.1175-1183, 2012.
DOI : 10.1016/j.socscimed.2012.05.024

K. Custers and J. Van-den-bulck, Viewership of pro-anorexia websites in seventh, ninth and eleventh graders, European Eating Disorders Review, vol.188, issue.3, pp.214-219, 2009.
DOI : 10.1002/erv.910

R. Da-cunha-recuero, Comunidades em redes sociais na Internet: Um estudo de uma rede pró-ana e pró-mia, pp.1-2, 2005.

J. Daniels, Rethinking cyberfeminism(s): Race, gender, and embodiment. WSQ: Women's Studies Quarterly, pp.101-124, 2009.

M. Darmon, Devenir anorexique, 2003.
URL : https://hal.archives-ouvertes.fr/halshs-00425839

M. Darmon, Le psychiatre, la sociologue et la boulang??re??: analyse d'un refus de terrain, Gen??ses, vol.58, issue.1, pp.98-112, 2005.
DOI : 10.3917/gen.058.0098

URL : http://www.cairn.info/load_pdf.php?ID_ARTICLE=GEN_058_0098

P. Davies and Z. Lipsey, Ana's gone surfing. The Psychologist, pp.424-425, 2003.

S. P. Dawson, ???Seeing??? the learning community: An exploration of the development of a resource for monitoring online student networking, British Journal of Educational Technology, vol.7, issue.3, pp.736-752, 2010.
DOI : 10.1111/j.1467-8535.2009.00970.x

A. Defossez, Soutien social et réseau personnel au coeur de l'expérience du cancer, Thèse de doctorat, 2014.

A. Degenne and M. Forsé, Les réseaux sociaux, 1994.

K. De-la-haye, G. Robins, P. Mohr, and C. Wilson, Obesity-related behaviors in adolescent friendship networks, Social Networks, vol.32, issue.3, pp.161-167, 2010.
DOI : 10.1016/j.socnet.2009.09.001

A. Delsuet, T'es sur Facebook ? Qu'est-ce que les réseaux sociaux changent à l'amitié ? Paris : Flammarion, 2013.

T. De-saint-pol, Surpoids, normes et jugements en matière de poids : comparaisons européennes, Population et Sociétés, INED, p.455, 2009.

T. De-saint-pol, Le corps désirable. Hommes et femmes face à leur poids, 2010.

K. Dias, The ana sanctuary: Women's pro-anorexia narratives in cyberspace, Journal of International Women's Studies, vol.4, issue.2, pp.31-45, 2003.

M. Doueihi, Pour un humanisme numérique, 2011.

J. Doward and T. Reilly, Doctors turn to the web for tips to understand anorexia, The Observer, 2003.

N. B. Ellison, C. Steinfield, and C. Lampe, The Benefits of Facebook ???Friends:??? Social Capital and College Students??? Use of Online Social Network Sites, Journal of Computer-Mediated Communication, vol.22, issue.3, pp.1143-1168, 2007.
DOI : 10.1111/j.1083-6101.2007.00367.x

S. T. Ennett and K. E. Bauman, Peer Group Structure and Adolescent Cigarette Smoking: A Social Network Analysis, Journal of Health and Social Behavior, vol.34, issue.3, pp.226-236, 1993.
DOI : 10.2307/2137204

G. Eysenbach, Medicine 2.0: Social Networking, Collaboration, Participation, Apomediation, and Openness, Journal of Medical Internet Research, vol.10, issue.3, 2008.
DOI : 10.2196/jmir.1030

S. Fainzang, L'automédication ou le mirage de l'autonomie, 2012.
DOI : 10.3917/puf.fain.2012.01

C. G. Fairburn, S. L. Welch, H. A. Doll, B. A. Davies, and M. A. Connor, Risk Factors for Bulimia Nervosa, Archives of General Psychiatry, vol.54, issue.6, pp.509-517, 1997.
DOI : 10.1001/archpsyc.1997.01830180015003

C. G. Fairburn, Z. Cooper, H. A. Doll, and S. L. Welch, Risk Factors for Anorexia Nervosa, Archives of General Psychiatry, vol.56, issue.5, pp.468-476, 1999.
DOI : 10.1001/archpsyc.56.5.468

A. Ferrand, Confidents: Une analyse structurale de réseaux sociaux, 2007.

D. Ferreday, Unspeakable Bodies: Erasure, Embodiment and the Pro-Ana Community, International Journal of Cultural Studies, vol.6, issue.3, pp.277-295, 2003.
DOI : 10.1177/13678779030063003

C. S. Fischer, To Dwell among Friends: Personal Networks in Town and City, 1982.

C. Fischler, L'homnivore : le goût, la cuisine et le corps, 1990.

C. Fischler, From lipophilia to lipophobia. Changing attitudes and behaviors toward fat: A Sociohistorical Approach, Dietary Fats, pp.103-115, 1992.

C. Fischler and E. Masson, Manger. Français, Européens et Américains face à l'alimentation, 2008.

N. Fox, K. Ward, and A. O-'rourke, Pro-anorexia, weight-loss drugs and the internet: an 'anti-recovery' explanatory model of anorexia, Sociology of Health and Illness, vol.6, issue.2, pp.944-971, 2005.
DOI : 10.1046/j.1365-2524.2001.00289.x

K. Fujimoto and T. W. Valente, Decomposing the Components of Friendship and Friends' Influence on Adolescent Drinking and Smoking, Journal of Adolescent Health, vol.51, issue.2, pp.136-143, 2012.
DOI : 10.1016/j.jadohealth.2011.11.013

M. C. Gard and C. P. Freeman, The dismantling of a myth: a review of eating disorders and socioeconomic status, 1<1::AID-EAT1>3.0.CO;2-M, pp.1-121098, 1996.

J. Gavin, K. Rodman, and H. Poyer, The Presentation of "Pro-Anorexia" in Online Group Interactions, Qualitative Health Research, vol.18, issue.3, pp.325-333, 2008.
DOI : 10.1177/1049732307311640

P. Gibbons, The relationship between eating disorders and socioeconomic status: It's not what you think URL : https, Nutrition Noteworthy, vol.4, issue.1, pp.1-70, 2001.

D. Giles, Constructing identities in cyberspace: The case of eating disorders, British Journal of Social Psychology, vol.42, issue.4, pp.463-477, 2006.
DOI : 10.1348/014466605X53596

N. Godart and B. Falissard, Troubles des conduites alimentaires : un adolescent sur quatre concerné. La Santé de l'homme, pp.16-18, 2008.

S. Golder, D. M. Wilkinson, and B. A. Huberman, Rhythms of Social Interaction: Messaging Within a Massive Online Network, Communities and Technologies 2007: Proceedings of Third International Conference on Communities and Technologies, pp.41-66, 2007.
DOI : 10.1007/978-1-84628-905-7_3

M. S. Granovetter, The Strength of Weak Ties, American Journal of Sociology, vol.78, issue.6, pp.1360-138010, 1973.
DOI : 10.1086/225469

M. Grossetti, Are French networks different? Social Networks, pp.391-404, 2007.

M. Groulez, Ecrire l'anorexie, Etudes, issue.10, pp.405-330, 2006.

J. Gueguen, N. Godart, J. Chambry, A. Brun-eberentz, C. Foulon et al., Severe anorexia nervosa in men: Comparison with severe AN in women and analysis of mortality, International Journal of Eating Disorders, vol.1, issue.Pt 2, pp.537-582, 2012.
DOI : 10.1002/eat.20987

J. Guise, S. Widdicombe, and A. Mckinlay, 'What is it like to have ME?': The discursive construction of ME in computer-mediated communication and face-to-face interaction, Health:, vol.11, issue.1, pp.87-108, 2007.
DOI : 10.1177/1363459307070806

URL : https://hal.archives-ouvertes.fr/hal-00571433

J. C. Ham, D. Iorio, and M. Sovinsky, Caught in the Bulimic Trap?: Persistence and State Dependence of Bulimia Among Young Women, Journal of Human Resources, vol.48, issue.3, pp.736-767, 2013.
DOI : 10.1353/jhr.2013.0019

J. C. Ham, D. Iorio, and M. Sovinsky, Disparities in Bulimia Nervosa: Who is left behind?, Economics Letters, vol.136, pp.147-150, 2015.
DOI : 10.1016/j.econlet.2015.09.017

M. Hammersley and P. Treseder, Identity as an analytic problem: who's who in `pro-ana' websites?, Qualitative Research, vol.7, issue.3, pp.283-300, 2007.
DOI : 10.1177/1468794107078509

K. Harper, S. Sperry, and J. K. Thompson, Viewership of pro-eating disorder websites: Association with body image and eating disturbances, International Journal of Eating Disorders, vol.1, issue.1, pp.92-95, 2008.
DOI : 10.1002/eat.20408

J. Hepworth, The Social Construction of Anorexia Nervosa, 1999.

H. W. Hoek and D. Van-hoeken, Review of the prevalence and incidence of eating disorders, International Journal of Eating Disorders, vol.26, issue.4, pp.383-396, 2003.
DOI : 10.1002/eat.10222

B. Hogan, J. A. Carrasco, and B. Wellman, Visualizing Personal Networks: Working with Participant-aided Sociograms, Field Methods, vol.19, issue.2, pp.10-1177, 2007.
DOI : 10.1177/1525822X06298589

C. Holahan, Yahoo removes pro-eating disorder Internet sites Boston Globe, 4 août URL: http://www.chron.com/news/nation-world/article/Yahoo-removes-pro-eating-disorder-sites- 2032018, 2001.

L. Igoin, La boulimie et son infortune, 1981.
DOI : 10.3917/puf.igoi.1995.01

I. , K. Health, &. Roche, and S. , Enquête épidémiologique nationale sur le surpoids et l'obésité (Enquête ObÉpi) URL : http://www.roche.fr/content/dam/corporate/roche_fr/doc/obepi_2012 Anorexie mentale. Dossier réalisé en collaboration avec le Dr N. Godart, juin 2014, pdf INSERM, 2012.

A. S. Juarascio, A. Shoaib, and C. A. Timko, Pro-Eating Disorder Communities on Social Networking Sites: A Content Analysis, Eating Disorders, vol.32, issue.5, pp.393-407, 2010.
DOI : 10.1002/(SICI)1098-108X(199701)21:1<31::AID-EAT4>3.0.CO;2-4

C. Kadushin, Understanding Social Networks: Theories, Concepts, and Findings, 2011.

I. Kawachi and L. F. Berkman, Social Ties and Mental Health, Journal of Urban Health: Bulletin of the New York Academy of Medicine, vol.78, issue.3, pp.458-467, 2001.
DOI : 10.1093/jurban/78.3.458

URL : http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3455910

J. Keelan, V. Pavri-garcia, G. Tomlinson, and K. Wilson, YouTube as a Source of Information on Immunization: A Content Analysis, JAMA, vol.298, issue.21, pp.2482-2484, 2007.
DOI : 10.1001/jama.298.21.2482

B. Kemp, I used to think I was the only girl who didn't see anorexia as a bad thing, The Times, 2002.

A. Keski-rahkonen, H. W. Hoek, E. S. Susser, M. S. Linna, E. Sihvola et al., Epidemiology and Course of Anorexia Nervosa in the Community, American Journal of Psychiatry, vol.164, issue.8, 2007.
DOI : 10.1176/appi.ajp.2007.06081388

D. M. Kirke, Chain reactions in adolescents??? cigarette, alcohol and drug use: similarity through peer influence or the patterning of ties in peer networks?, Social Networks, vol.26, issue.1, pp.3-28, 2004.
DOI : 10.1016/j.socnet.2003.12.001

R. Kraut, S. Kiesler, B. Boneva, J. Cummings, V. Helgeson et al., Internet Paradox Revisited, Journal of Social Issues, vol.58, issue.1, 2002.
DOI : 10.1111/1540-4560.00248

URL : http://repository.cmu.edu/cgi/viewcontent.cgi?article=1100&context=hcii

E. Lazega, L. Mounier, T. A. Snijders, and P. Tubaro, Norms, status and the dynamics of advice networks: A case study, Social Networks, vol.34, issue.3, pp.323-332, 2012.
DOI : 10.1016/j.socnet.2009.12.001

URL : https://hal.archives-ouvertes.fr/hal-01371294

E. Lazega, Réseaux sociaux et structures relationnelles, 2014.
DOI : 10.2307/3322466

URL : http://spire.sciencespo.fr/hdl:/2441/7o52iohb7k6srk09n8ta38s8n/resources/article-rfsoc-0035-2969-1996-num-37-3-5710.pdf

S. Lee, Reconsidering the status of anorexia nervosa as a western culture-bound syndrome, Social Science & Medicine, vol.42, issue.1, pp.21-3410, 1996.
DOI : 10.1016/0277-9536(95)00074-7

M. Lelwica, E. Hoglund, and J. Mcnallie, Spreading the Religion of Thinness from California to Calcutta: A Critical Feminist Postcolonial Analysis, Journal of Feminist Studies in Religion, vol.25, issue.1, pp.19-41, 2009.
DOI : 10.2979/fsr.2009.25.1.19

M. P. Levine, Loneliness and Eating Disorders, The Journal of Psychology, vol.2, issue.1-2, pp.243-57, 2012.
DOI : doi: 10.1002/erv.1066

W. S. Lo, S. Y. Ho, K. K. Mak, and T. H. Lam, The Use of Stunkard???s Figure Rating Scale to Identify Underweight and Overweight in Chinese Adolescents, PLoS ONE, vol.62, issue.11, 2012.
DOI : 10.1371/journal.pone.0050017.t002

E. J. Lyons, M. R. Mehl, and J. W. Pennebaker, Pro-anorexics and recovering anorexics differ in their linguistic Internet self-presentation, Journal of Psychosomatic Research, vol.60, issue.3, pp.253-256, 2006.
DOI : 10.1016/j.jpsychores.2005.07.017

D. Lupton, Fat, 2013.

E. R. Mackey, L. Greca, and A. M. , Adolescents' Eating, Exercise, and Weight Control Behaviors: Does Peer Crowd Affiliation Play a Role?, Journal of Pediatric Psychology, vol.32, issue.1, pp.13-23, 2007.
DOI : 10.1093/jpepsy/jsl041

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.496.3371

F. Maillochon, L'invitation au mariage Une approche des réseaux de sociabilité du couple, Redes, vol.16, issue.5, 2009.

C. Martijn, E. Smeets, A. Jansen, N. Hoeymans, and C. Schoemaker, Don't get the message: The effect of a warning text before visiting a proanorexia website, International Journal of Eating Disorders, vol.27, issue.2, pp.139-145, 2009.
DOI : 10.1002/eat.20598

A. K. Martin, Stick a toothbrush down your throat: An analysis of the potential liability of pro-eating disorder websites, Texas Journal of Women and the Law, vol.14, issue.2, pp.151-179, 2005.

U. Matzat and . C. Snijders, The online measurement of ego centered online social networks, Online Forschung: Grundlagen und Fallstudien. Neue Schriften zur Onlineforschung, pp.272-291, 2007.

M. Mazzocchi, W. B. Traill, and J. F. Shogren, Fat Economics: Nutrition, Health, and Economic Policy, 2009.
DOI : 10.1093/acprof:oso/9780199213856.001.0001

A. Megna, Pinterest's thinspiration problem URL: http://www.sociologyinfocus.com, Sociology in Focus, vol.1111, 2012.

P. Mercklé, Sociologie des réseaux sociaux, 2011.

G. Mesch and I. Talmud, The quality of online and offline relationships: The role of multiplexity and duration. The Information Society, pp.137-148, 2006.

J. L. Moreno, Fondements de la sociométrie. Traduction française de Who Shall Survive, 1934.

A. L. Moscone, Troubles de l'image du corps et troubles psychologiques associés dans l'anorexie mentale : mécanismes sous-jacents et proposition de régulation par les activités physiques adaptées, Thèse de doctorat, 2013.

A. Mulè and L. Sideli, Eating disorders on the Web: Risks and resources, Studies in Health Technology and Informatics, vol.144, pp.8-12, 2009.

R. Mulveen and J. Hepworth, An Interpretative Phenomenological Analysis of Participation in a Pro-anorexia Internet Site and Its Relationship with Disordered Eating, Journal of Health Psychology, vol.11, issue.2, pp.283-296, 2006.
DOI : 10.1177/1359105306061187

M. L. Norris, K. M. Boydell, L. Pinhas, and D. K. Katzma, Ana and the Internet: A review of pro-anorexia websites, International Journal of Eating Disorders, vol.68, issue.6, pp.443-447, 2006.
DOI : 10.1002/eat.20305

S. Orbach, Fat is a Feminist Issue, 1978.

R. M. Ornstein, D. S. Rosen, K. A. Mammel, S. T. Callahan, S. Forman et al., Distribution of Eating Disorders in Children and Adolescents Using the Proposed DSM-5 Criteria for Feeding and Eating Disorders, Journal of Adolescent Health, vol.53, issue.2, pp.303-308, 2013.
DOI : 10.1016/j.jadohealth.2013.03.025

G. Overbeke, Pro-Anorexia websites: Content, impact, and explanations of popularity, Mind Matters: The Wesleyan Journal of Psychology, vol.3, issue.1, pp.49-62, 2008.

F. Pailler and A. A. Casilli, S???inscrire en faux, Communication, vol.33, issue.vol. 33/2, 2015.
DOI : 10.4000/communication.5986

URL : https://hal.archives-ouvertes.fr/hal-01134011

F. Pallotti, P. Tubaro, A. A. Casilli, and T. W. Valente, The effects of personal networks on body image and eating disorders, 2015.

M. C. Paquette and K. Raine, Sociocultural context of women's body image, Social Science & Medicine, vol.59, issue.5, pp.1047-1058, 2004.
DOI : 10.1016/j.socscimed.2003.12.016

R. Peebles, J. Wilson, D. Borzekowski, K. Hardy, J. Lock et al., 42: Poly-Website Usage Is Prevalent and Associated with Dangerous Post-Visitation Behaviors in Adolescent Pro-Eating Disorder Website Users, Journal of Adolescent Health, vol.42, issue.2, pp.33-34, 2008.
DOI : 10.1016/j.jadohealth.2007.11.089

R. Peebles, J. L. Wilson, I. F. Litt, K. K. Hardy, J. D. Lock et al., Disordered Eating in a Digital Age: Eating Behaviors, Health, and Quality of Life in Users of Websites With Pro-Eating Disorder Content, Journal of Medical Internet Research, vol.14, issue.5, p.148, 2012.
DOI : 10.2196/jmir.2023

N. Pessel, Les fans de l'anorexie servent leur soupe sur le Web, 2001.

J. Polivy and P. Herman, Sociocultural Idealization of Thin Female Body Shapes: An Introduction to the Special Issue on Body Image and Eating Disorders, Journal of Social and Clinical Psychology, vol.23, issue.1, pp.1-6, 2004.
DOI : 10.1521/jscp.23.1.1.26986

D. Pollack, Pro-eating disorder websites: What should be the feminist response? Feminism and Psychology, pp.246-251, 2003.

J. Poulain, Sociologie de l'obésité. Pairs : PUF, 2009.

C. Prieur, A. Stoica, and Z. Smoreda, Extraction de réseaux égocentrés dans un (très grand) réseau social, Bulletin de Méthodologie Sociologique, vol.101, pp.5-28, 2009.

M. Provost, M. Perri, V. Baujard, and C. Boyer, Opinions and e-health behaviors of patients and health professionals in the U.S.A. and Europe, Studies in Health Technology and Informatics, vol.953233, pp.695-700, 2003.

R. D. Putnam, Bowling alone, Proceedings of the 2000 ACM conference on Computer supported cooperative work , CSCW '00, 2000.
DOI : 10.1145/358916.361990

G. Raimbault and C. Eliacheff, Les indomptables: figures de l'anorexie, 1989.

D. C. Ransom, L. Guardia, J. G. Woody, E. Z. Boyd, and J. L. , Interpersonal interactions on online forums addressing eating concerns, International Journal of Eating Disorders, vol.37, issue.2, pp.161-170, 2010.
DOI : 10.1002/eat.20629

U. Rauer, Patient Trust in Internet-based Health Records: An Analysis Across Operator Types and Levels of Patient Involvement in Germany, Policy & Internet, vol.4, issue.2, pp.1-42, 1177.
DOI : 10.1515/1944-2866.1177

J. Reaves, Anorexia goes hi-tech. Time, 31 juillet URL: http://content.time.com/time Weborexics: The ethical issues surrounding pro-ana websites, ACM SIGCAS Computers and Society, vol.8599, issue.334 2, p.0, 2001.

K. J. Robinson, V. A. Mountford, and D. J. Sperlinger, Being men with eating disorders: Perspectives of male eating disorder service-users, Journal of Health Psychology, vol.38, issue.2, pp.176-18610, 2013.
DOI : 10.1080/08870440008400302

R. F. Rodgers, S. Skowron, and H. Chabrol, Disordered Eating and Group Membership Among Members of a Pro-anorexic Online Community, European Eating Disorders Review, vol.118, issue.1, pp.9-12, 2012.
DOI : 10.1002/erv.1096

R. F. Rodgers, A. S. Lowy, D. M. Halperin, and D. L. Franko, A Meta-Analysis Examining the Influence of Pro-Eating Disorder Websites on Body Image and Eating Pathology, European Eating Disorders Review, vol.118, issue.1, pp.3-8, 2016.
DOI : 10.1002/erv.2390

M. Rolfe, Social networks and agent-based models In: G. Manzo (éd.) Analytical Sociology: Actions and Networks, pp.237-260, 2014.

H. Roux, E. Chapelon, and N. Godart, Épidémiologie de l'anorexie mentale : revue de la littérature. L'encéphale, pp.85-93, 2013.

G. F. Russel, Bulimia nervosa: an ominous variant of anorexia nervosa, Psychological Medicine, vol.ii, issue.03, pp.429-448, 1979.
DOI : 10.1016/S0140-6736(79)90060-6

L. Ryan, J. Mulholland, and A. Agoston, Talking Ties: Reflecting on Network Visualisation and Qualitative Interviewing, Sociological Research Online, vol.19, issue.2, 2014.
DOI : 10.5153/sro.3404

L. Serpell, J. Treasure, J. Teasdale, and V. Sullivan, Anorexia nervosa: Friend or foe?, 2<177::AID-EAT7>3.0.CO, pp.177-1862, 1999.
DOI : 10.1002/(sici)1098-108x(199903)25:2<177::aid-eat7>3.3.co;2-4

L. Serpell and J. Treasure, Bulimia nervosa: Friend or foe? The pros and cons of bulimia nervosa, International Journal of Eating Disorders, vol.20, issue.2, pp.164-170, 2002.
DOI : 10.1002/eat.10076

G. Simmel, Le croisement des cercles sociaux, Sociologie, Étude sur les formes de la socialisation, pp.407-452, 1908.

F. R. Smink, D. Van-hoeken, and H. W. Hoek, Epidemiology of Eating Disorders: Incidence, Prevalence and Mortality Rates, Current Psychiatry Reports, vol.46, issue.1, pp.406-420, 2012.
DOI : 10.1007/s11920-012-0282-y

E. Stice, Risk and maintenance factors for eating pathology: A meta-analytic review., Psychological Bulletin, vol.128, issue.5, pp.825-848, 2002.
DOI : 10.1037/0033-2909.128.5.825

E. Strother, R. Lemberg, and S. Chariese, Eating disorders in men: Underdiagnosed, undertreated, and misunderstood. Eating Disorders: The Journal of Treatment & Prevention, pp.346-355, 2012.

A. J. Stunkard, T. Sorensen, and F. Schulsinger, Use of Danish adoption register for the study of obesity and thinness The Genetics of Neurological and Psychiatric Disorders, pp.115-120, 1983.

S. Tierney, The Dangers and Draw of Online Communication: Pro-Anorexia Websites and their Implications for Users, Practitioners, and Researchers, Eating Disorders, vol.56, issue.3, pp.181-190, 1080.
DOI : 10.1046/j.1365-2524.2001.00289.x

S. Tierney, Creating communities in cyberspace: pro-anorexia web sites and social capital, Journal of Psychiatric and Mental Health Nursing, vol.14, issue.4, pp.340-343, 2008.
DOI : 10.1016/S0747-5632(97)00016-2

P. A. Thoits, Stress, Coping, and Social Support Processes: Where Are We? What Next?, Journal of Health and Social Behavior, vol.35, pp.53-79, 1995.
DOI : 10.2307/2626957

T. Tong, S. Heinemann-lafave, D. Jeon, J. Kolodziej-smith, R. Warshay et al., The Use of Pro-Ana Blogs for Online Social Support, Eating Disorders, vol.4, issue.5, pp.408-430, 2013.
DOI : 10.1542/peds.2006-1133

J. G. Trogdon, J. Nonnemaker, and J. Pais, Peer effects in adolescent overweight, Journal of Health Economics, vol.27, issue.5, pp.1388-1399, 2008.
DOI : 10.1016/j.jhealeco.2008.05.003

P. Tubaro and A. A. Casilli, ??????An Ethnographic Seduction??????: How Qualitative Research and Agent-based Models can Benefit Each Other, Bulletin of Sociological Methodology/Bulletin de M??thodologie Sociologique, vol.11, issue.21, pp.59-74, 2010.
DOI : 10.1177/0759106309360111

URL : http://gala.gre.ac.uk/4659/1/QualiABM_TubaroCasilli.pdf

P. Tubaro, A. A. Casilli, and L. Mounier, Eliciting Personal Network Data in Web Surveys through Participant-generated Sociograms, Field Methods, vol.26, issue.2, pp.107-125, 2014.
DOI : 10.1177/1525822X13491861

URL : https://hal.archives-ouvertes.fr/hal-01355677

P. Tubaro, A. A. Casilli, L. Mounier, P. Maigron, P. A. Chardel et al., ANAMIA Egocenter, www.anamia.fr, Ecole des Hautes Etudes en Sciences Sociales (EHESS), Centre Edgar-Morin (CEM-IIAC), 2013.

P. Tubaro and L. Mounier, Sociability and support in online eating disorder communities: Evidence from personal networks, Network Science, vol.15, issue.01, pp.1-25, 2014.
DOI : 10.1017/CBO9780511815447.002

URL : https://hal.archives-ouvertes.fr/hal-01300345

P. Tubaro, L. Ryan, and A. Angelo, The visual sociogram in qualitative and mixedmethods research, Sociological Research Online, 2016.
URL : https://hal.archives-ouvertes.fr/hal-01348491

B. S. Turner, The Body and Society, 1984.

T. W. Valente, B. R. Hoffman, A. Ritt-olson, K. Lichtman, and C. Anderson-johnson, Effects of a Social-Network Method for Group Assignment Strategies on Peer-Led Tobacco Prevention Programs in Schools, American Journal of Public Health, vol.93, issue.11, pp.1837-1843, 2003.
DOI : 10.2105/AJPH.93.11.1837

T. W. Valente, K. Fujimoto, C. P. Chou, and D. Spruijt-metz, Adolescent Affiliations and Adiposity: A Social Network Analysis of Friendships and Obesity, Journal of Adolescent Health, vol.45, issue.2, pp.202-204, 2009.
DOI : 10.1016/j.jadohealth.2009.01.007

P. M. Valkenburg and J. Peter, Online Communication and Adolescent Well-Being: Testing the Stimulation Versus the Displacement Hypothesis, Journal of Computer-Mediated Communication, vol.4, issue.6, pp.1169-1182, 2007.
DOI : 10.1111/j.1083-6101.2007.00368.x

K. Vitousek, S. Watson, and G. T. Wilson, Enhancing motivation for change in treatment-resistant eating disorders, Clinical Psychology Review, vol.18, issue.4, pp.391-420, 1998.
DOI : 10.1016/S0272-7358(98)00012-9

K. J. Ward, 'I Love You to the Bones': Constructing the Anorexic Body in 'Pro-Ana' Message Boards, Sociological Research Online, vol.12, issue.2, 2007.
DOI : 10.5153/sro.1220

M. Weber, Le savant et le politique : Une nouvelle traduction. Traduction française par C. Colliot-Thélène, 1919.

S. Williams and M. Reid, A grounded theory approach to the phenomenon of pro-anorexia, Addiction Research & Theory, vol.169, issue.2, 2007.
DOI : 10.1080/713856145

C. Williams and S. Riley, Finding support and negotiating identity An analysis of the structure and content of newbie posts and their elicited replies on five pro-eating disorder websites, RESET, vol.1, issue.2, p.14, 2013.

J. L. Wilson, R. Peebles, K. K. Hardy, and I. F. Litt, Surfing for Thinness: A Pilot Study of Pro-Eating Disorder Web Site Usage in Adolescents With Eating Disorders, PEDIATRICS, vol.118, issue.6, pp.1635-1643, 2006.
DOI : 10.1542/peds.2006-1133

N. Wolf, The Beauty Myth, 1991.

D. Yeshua-katz and N. Martins, Communicating Stigma: The Pro-Ana Paradox, Health Communication, vol.54, issue.5, pp.499-508, 2013.
DOI : 10.1002/eat.20305

D. Yeshua-katz, Online Stigma Resistance in the Pro-Ana Community, Qualitative Health Research, vol.25, issue.10, pp.1347-1358, 2015.
DOI : 10.1177/1049732315570123

E. Yom-tov and D. M. Boyd, On the link between media coverage of anorexia and pro-anorexic practices on the web, International Journal of Eating Disorders, vol.49, issue.2, pp.196-202, 2014.
DOI : 10.1002/eat.22195

S. Zhao, Do Internet Users Have More Social Ties? A Call for Differentiated Analyses of Internet Use, Journal of Computer-Mediated Communication, vol.1, issue.1, pp.844-862, 2006.
DOI : 10.1177/00027640121957286