We investigated the possible influence of aryl hydrocarbon hydroxylase (AHH) on susceptibility to bladder cancer in humans. AHH inducibility was measured in the cultured lymphocytes of 16 patients who were being followed after successful treatment for bladder cancer, in 53 progeny of bladder cancer patients, and in matched controls. In both the progeny and patient populations, no evidence was found for a difference between the distribution of AHH inducibility or induced AHH activity compared to the distribution among control individuals. Thus, AHH acitivity or inducibility does not appear to be a major determinant of bladder cancer risk in humans.

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The present study aimed to conduct a non-systematic review of the literature on physical violence against creations, addressing the following factors s: indicators of maltreatment and legal aspects, besides elucidating the importance of the dentist in the diagnosis and the ideal conduct to be taken by him. Thus, through the analysis and discussion of the theoretical foundation presented, we seek to establish the current Brazilian panorama on child physical violence. The study is divided into seven topics of exposure: the abstract, the introduction, the objectives, the methodology, the literature review, the discussion, and the conclusion, thus composing the desired content. Is also used for formulation and elaboration, the following researched journals are used: Latin American and Caribbean Literature on Health Sciences (LILACS), Brazilian Dentistry Bibliography (BBO), Scientific Electronic Library Online (SCIELO), Medical Literature Analysis and Retrieval System Online (MEDLINE) and CAPES Portal. Articles from the last 18 years were used, seeking the following keywords: "abuse", "violence", "child abuse", "orofacial injuries" and "dentistry". Despite the scarcity of underreporting of this violence, it was found that the orofacial region is often the place of multiple lesions resulting from physical violence, making clear the importance of the dentist in identifying and notifying this violence.