"Medication addiction or drug dependency would be a reason why the United States a serious problem in todays society, which is closely related to the U. S." drug culture.
吃药成瘾或药物依赖之所以会成为当今美国的一个严重的社会问题，这与美国的“药品文化”密切相关。
2
The science and activities relating to the detection, assessment, understanding and prevention of adverse effects or any other drug-relatedproblem.