We may use many facts to prove the smoking harm human body health.

我们可以用很多事实来证明吸烟危害人体健康。

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Smoking a lot of cigarettes can harm and even kill over a long period of time.

长期大量吸烟会危害身体健康，甚至导致死亡。

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It is obvious that smoking does harm to our health.

很显然吸烟对健康有害。

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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

Health Minister Lesley Griffiths said the ban would protect children from the harm caused by smoking.

BBC: Cigarettes on display

All these restrictions, he said, could protect some children from potential harm - both drinking and smoking by the parent during pregnancy can lead to low birthweight babies.

BBC: 'Ban IVF for smokers and drinkers'