Association between adolescents who are victims of bullying and weapon possession Maria Eduarda B. Silva; Jakelline C.S. Raposo; Anila T.L. Barbosa; Valdenice Menezes; Viviane Colares; Carolina da Franca; Fabiana de Godoy;

Effects of sexual orientation-based bullying on feelings of loneliness and sleeping difficulty among Brazilian middle school students Rafael Tavares Jomar; Vitor Augusto de Oliveira Fonseca; Dandara de Oliveira Ramos;

Low back pain in adolescents and association with sociodemographic factors, electronic devices, physical activity and mental health Thiago Paulo Frascareli Bento; Guilherme Porfirio Cornelio; Priscila de Oliveira Perrucini; Sandra Fiorelli Almeida Penteado Simeão; Marta Helena Souza de Conti; Alberto de Vitta;