If they are not afraid of the harm of smoking and drinking, why should common people be afraid?

如果他们都不怕抽烟喝酒的危害，普通人为什么要害怕呢？

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Overwhelming evidence proves the danger and harm of smoking.

无可辩驳的事实证明了香烟的害处。

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Nowadays, more and more people realize the harm of smoking and the damage it bring to thepeople around us.

如今，越来越多的人意识到吸烟的危害，以及它带给我们周围的人的伤害。

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The council spokeswoman added that the signs were "part of a programme of activity to reduce the harm of smoking tobacco to the health of Blackpool residents, particularly children".

BBC: The old and new smokefree signs for Blackpool parks

Further, Sir Richard Doll, who first brought our attention to the links between smoking and lung cancer said: "I do not mind people smoking in my presence, since the risk of harm is so minimal".

BBC: Non-smoker

Martin Dockrell, director of research and policy at the campaign group Action on Smoking and Health (Ash), acknowledges that there is no clear evidence of a significant harm to health from second-hand outdoor tobacco smoke.

BBC: New York's outdoor smoking ban: Will the world follow?