A prevenção primária de bulimia nervosa, que é parte da estratégia para evitar obesidade e outros transtornos alimentares, se concentra em:[52]Fletcher A, Bonell C, Sorhaindo A. You are what your friends eat: systematic review of social network analyses of young people's eating behaviours and bodyweight. J Epidemiol Community Health. 2011 Jun;65(6):548-55.
http://www.ncbi.nlm.nih.gov/pubmed/21427455?tool=bestpractice.com
[58]Treasure J, Sepulveda AR, MacDonald P, et al. The assessment of the family of people with eating disorders. Eur Eat Disord Rev. 2008 Jul;16(4):247-55.
http://www.ncbi.nlm.nih.gov/pubmed/18240125?tool=bestpractice.com
[59]Sharpe H, Schober I, Treasure J, et al. Feasibility, acceptability and efficacy of a school-based prevention programme for eating disorders: cluster randomised controlled trial. Br J Psychiatry. 2013 Dec;203(6):428-35.
http://www.ncbi.nlm.nih.gov/pubmed/24115345?tool=bestpractice.com
[60]Golden NH, Schneider M, Wood C; et al. Preventing obesity and eating disorders in adolescents. Pediatrics. 2016 Sep;138(3).
http://pediatrics.aappublications.org/content/early/2016/08/18/peds.2016-1649
http://www.ncbi.nlm.nih.gov/pubmed/27550979?tool=bestpractice.com
Aumentar a autoestima
Melhorar a conscientização da mídia
Fortalecer a família
Diminuir a ênfase ao peso e forma do corpo no lar, na escola e na sociedade
Diminuir a pressão para as pessoas se adaptarem aos ideais da mídia.
Uma alimentação regular, saudável e de baixa pressão em casa, na escola e na sociedade é importante, assim como educar pais e treinadores sobre comportamentos prejudiciais à perda de peso.[57]Carl RL, Johnson MD, Martin TJ; Council on Sports Medicine and Fitness. Promotion of healthy weight-control practices in young athletes. Pediatrics. 2017 Sep;140(3): e20171871.
https://publications.aap.org/pediatrics/article/140/3/e20171871/38384/Promotion-of-Healthy-Weight-Control-Practices-in?autologincheck=redirected
http://www.ncbi.nlm.nih.gov/pubmed/28827381?tool=bestpractice.com
Entretanto, ensinar crianças sobre transtornos alimentares não é útil como estratégia preventiva.[5]Furnham A, Davidson L. Sex differences in beliefs about bulimia nervosa. Soc Psychiatry Psychiatr Epidemiol. 2012 Jan;47(1):67-77.
http://www.ncbi.nlm.nih.gov/pubmed/21057770?tool=bestpractice.com
[61]Mond JM, Arrighi A. Gender differences in perceptions of the severity and prevalence of eating disorders. Early Interv Psychiatry. 2011 Feb;5(1):41-9.
http://www.ncbi.nlm.nih.gov/pubmed/21272274?tool=bestpractice.com