Introduction
Cannabis use remains a contentious issue in the United Kingdom, with ongoing debates surrounding its legal status, health implications, and societal impact. Classified as a Class B drug under the Misuse of Drugs Act 1971, its possession, supply, and production are illegal, yet public opinion and policy discussions increasingly question this stance. This essay aims to explore the primary arguments for and against cannabis use in the UK, focusing on health, economic, and social dimensions. By critically examining evidence from reputable sources, the discussion will highlight the complexities of this issue and evaluate the implications of potential policy shifts. The analysis seeks to provide a balanced perspective, acknowledging both the benefits and risks associated with cannabis use in a modern context.
Arguments in Favour of Cannabis Use
One prominent argument for cannabis use, particularly in a medical context, centres on its therapeutic potential. Research has demonstrated that cannabis contains compounds like cannabidiol (CBD) and tetrahydrocannabinol (THC) which can alleviate symptoms of chronic pain, epilepsy, and multiple sclerosis (NHS, 2022). In 2018, the UK legalised medicinal cannabis under strict conditions, reflecting growing acceptance of its medical value (Home Office, 2018). For instance, patients with severe conditions who have not responded to conventional treatments can access cannabis-based products, suggesting a potential for wider therapeutic applications if regulations evolve.
Economically, legalising cannabis for recreational use could generate significant revenue through taxation and regulation, akin to the alcohol and tobacco industries. A report by the Institute of Economic Affairs estimated that a regulated cannabis market could contribute billions to the UK economy annually while reducing the costs associated with enforcement and prosecution (Barton, 2019). Furthermore, legalisation could disrupt illegal markets, thereby reducing associated crime and ensuring product safety through quality controls. This perspective underscores the potential for cannabis to be reframed as a resource rather than a threat.
Arguments Against Cannabis Use
Conversely, significant concerns exist regarding the health risks of cannabis use, particularly its impact on mental health. Studies have linked regular cannabis consumption, especially of high-potency strains, to an increased risk of psychosis and schizophrenia, particularly among young users (Di Forti et al., 2019). The NHS warns that long-term use can also lead to dependency and impair cognitive function, raising questions about the societal cost of widespread access (NHS, 2022). These health risks highlight the need for caution, as legalisation could arguably normalise use and exacerbate public health challenges.
Socially, opponents argue that cannabis legalisation may undermine community safety. Despite potential reductions in black-market activity, there are fears that easier access could increase usage among vulnerable groups, including adolescents, potentially leading to higher rates of addiction or crime associated with impaired behaviour (Hall and Lynskey, 2020). Indeed, the complexity of enforcing age restrictions and driving regulations under a legal framework poses practical challenges, suggesting that legalisation may introduce new societal risks even as it addresses others.
Conclusion
In summary, the debate over cannabis use in the UK encapsulates a range of health, economic, and social considerations. Arguments in favour highlight its medicinal benefits and potential economic gains, while opposition focuses on mental health risks and societal implications. The evidence suggests that while cannabis holds promise in controlled contexts, broader legalisation demands careful regulation to mitigate adverse effects. Ultimately, policymakers must weigh these competing perspectives, considering both the immediate benefits and long-term consequences. This issue remains dynamic, and ongoing research will likely shape future discourse, potentially influencing a shift in the UK’s approach to cannabis.
References
- Barton, A. (2019) The High Price of Prohibition. Institute of Economic Affairs.
- Di Forti, M., Quattrone, D., Freeman, T.P., Tripoli, G., Gayer-Anderson, C., Quigley, H., Rodriguez, V., Jongsma, H.E., Ferraro, L., La Cascia, C., La Barbera, D., Tarricone, I., Berardi, D., Szöke, A., Arango, C., Tortelli, A., Velthorst, E., Bernardo, M., Del-Ben, C.M., Menezes, P.R., Selten, J.P., Jones, P.B., Kirkbride, J.B., Rutten, B.P., de Haan, L., Sham, P.C., van Os, J., Lewis, C.M., Lynskey, M.T., Morgan, C., and Murray, R.M. (2019) The contribution of cannabis use to variation in the incidence of psychotic disorder across Europe (EU-GEI): a multicentre case-control study. The Lancet Psychiatry, 6(5), 427-436.
- Hall, W. and Lynskey, M. (2020) Assessing the public health impacts of legalizing recreational cannabis use: the US experience. World Psychiatry, 19(2), 179-186.
- Home Office (2018) Medicinal cannabis products to be available on prescription. UK Government.
- NHS (2022) Medical Cannabis (and cannabis oils). National Health Service.

