吸烟严重危害健康。

Smoking is a serious danger to health.

《牛津词典》

最近几次爆发的霍乱是一个适时的提醒，该疾病依然是个严重的健康危害。

The recent outbreaks of cholera are a timely reminder that this disease is still a serious health hazard.

《柯林斯英汉双解大词典》

陆彬还指出，科学研究发现，吸烟会导致25种以上严重危害生命健康的疾病，如肺癌、肺气肿、心脏病、中风及阳痿。

Scientific research has found that smoking causes more than 25 serious diseases endangering life and health, including lung cancer, emphysema, heart disease, stroke and impotence, Lu said.

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