Nicotine addiction is a powerful physical and psychological dependency that conditions the body to crave nicotine in order to maintain feelings of basic well being.

尼古丁上瘾是生理和心理上的一种强烈的依赖。使其身体迫切需要尼古丁来维持基本健康的情绪。

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"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。

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Speaking about the programme at the time, Prime Minister David Cameron referred to 120, 000 families who were plagued by drug addiction, alcohol dependency and crime.

BBC: Government 'misrepresenting' the poor, say churches

Boomers are frequently using anti-anxiety drugs, anti-depressants, and prescription pain medications all of which can lead to dependency and addiction.

FORBES: The Scary Trend Of Boomer Addiction

Addiction exposes the deepest forms of physical and psychological dependency.

CNN: The price of our oil addiction