The latest research shows that the increased strength of cannabis effects is an important reason why more and more people are taking medication. Scientists at King's College London looked at Dutch data and found that when coffee shops sell high-strength cannabis, the number of visits to specialist treatment centres increases. Conversely, the number of consultations will decrease. The study is the first to explore the link between the strength of marijuana consumed by smokers and changes in the number of people receiving medication. The study found that medical needs change only after 5 to 7 years of changing the strength of marijuana. Tom Freeman, an addiction scientist at King's College London, said: "The study is the first to link cannabis strength to its associated medical outcomes and provides evidence of this. ” In recent years, more and more people have smoked marijuana instead of other illegal substances, and more and more people have been hospitalized for marijuana...