This review found 17 randomised controlled trials (involving 3149 women). We downgraded the quality of the evidence for time to first passage of flatus and of faeces and for adverse effects/intolerance to gum chewing because of the high risk of bias of the studies (due to lack of blinding and self-report). For time to first flatus and faeces, we downgraded the quality of the evidence further because of the high heterogeneity in these meta-analyses and the potential for publication bias based on the visual inspection of the funnel plots. The quality of the evidence for adverse effects/tolerance to gum chewing and for ileus was downgraded because of the small number of events. The quality of the evidence for ileus was further downgraded due to the unclear risk of bias for the assessors evaluating this outcome.The available evidence suggests that gum chewing in the immediate postoperative period after a CS is a well tolerated intervention that enhances early recovery of bowel function. However the overall quality of the evidence is very low to low.Further research is necessary to establish the optimal regimen of gum-chewing (initiation, number and duration of sessions per day) to enhance bowel function recovery and to assess potential adverse effects of and women's satisfaction with this intervention. New studies also need to assess the compliance of the participants to the recommended gum-chewing instructions. Future large, well designed and conducted studies, with better methodological and reporting quality, will help to inform future updates of this review and enhance the body of evidence for this intervention.

In view of the limited number of studies and small sample sizes, there is not enough evidence to support the use of PUFA supplementation in people with refractory epilepsy. More trials are needed to assess the benefits of PUFA supplementation in the treatment of drug-resistant epilepsy.

Objetivo: Verificar a prevalência de cervicalgia em estudantes de odontologia de um Centro Universitário. Método: Tratou-se de um estudo observacional, analítico de caráter transversal, realizado no período de janeiro a junho de 2015 em uma Clinica Escola de Odontologia de um Centro Universitário da cidade de Maceió-AL, com uma amostra de 67 acadêmicos em estágio supervisionado, onde foi utilizado um formulário de coleta de dados e o Indice de Incapacidade Relacionada ao Pescoço. A análise estatística foi do tipo descritiva e inferencial utilizando-se o teste qui-quadrado. Resultados: A prevalência de cervicalgia, foi de 44,8%, não tendo sido observado diferenças significativas entre a queixa e as variáveis sexo, estado civil, atividade física, período acadêmico, número de práticas e área do estágio. Em relação a interferência da dor nas atividades cotidianas, a maioria, apresentou incapacidade leve. Conclusão: Pode-se observar que a prevalência de cervicalgia encontrada

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