Write a critical essay to compare and contrast a public health issue with global impact(Substance Abuse and Addiction) in the context of a country (United Kingdom) and my national setting (Nigeria).

Substance Abuse and Addiction. Write a critical essay to compare and contrast a public health issue with global impact(Substance Abuse and Addiction) in the context of a country (United Kingdom) and my national setting (Nigeria). Discuss the global health impacts and influences.