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Bullying and substance use are serious public health concerns. The aim of this article is to review empirical studies that examined the association between bullying perpetration and substance use among adolescence in various countries. Research studies that found a correlation between bullying perpetration and substance use in children and adolescents were reviewed. From the search, 7,844 abstracts were identified and 7,795 were excluded. Fifty-four remaining articles were reviewed, and 23 were excluded after full text review. A total of 31 articles, which all met the inclusion criteria, were considered in the review. Findings from the review suggest that children who engaged in bullying are more likely to be involved in alcohol, tobacco, and illicit drug use. Substance use prevention efforts require an examination of peer dynamics and peer relationships. In addition, bullying and substance use prevention require family dynamics and how they may increase the risk of bullying and drugs abuse.

The coronavirus SARS-Cov-2 infection has emerged as a global emergency in early 2020, with fast world-wide dissemination. Respiratory droplets and direct contact in the asymptomatic and symptomatic phases transmit the virus, making agglomerations unadvisable, which encouraged different levels of city and country lockdowns and social distancing measures world-wide. Open-air drug scenes can potentially raise an additional challenge to COVID 19 mitigation, as they concentrate a significant amount of people in poor sanitary conditions, probably contributing to the spread of the virus.

Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre-including this research content-immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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