要养成吸烟习惯很容易，但要戒掉却极其困难。

It's very easy to fall into the habit of smoking, but extremely difficult to get rid of it.

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研究人员说，患癌症和支气管炎的人数的增加可能反映了吸烟习惯的改变和空气质量的下降。

An increase in some cancers and bronchitis may reflect changing smoking habits and poorer air quality, say the researchers.

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在英国，烟草是导致早逝的最大原因之一，因此，哪怕只是稍稍抑制吸烟习惯的措施都值得一试。

Since tobacco is one of the biggest causes of premature death in the UK, a measure that tames the habit even by a fraction is worth trying.

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