In the recent few years, overseas research data also suggests that passive smoking or second-hand smoking could be a risk factor for heart diseases.

吸烟会诱发冠心病，近年的数据发现，吸二手烟亦是引致心脏病的高危因素。

youdao

Therefore, I advocate that smoking in public places should be banned so that we canbreathe the fresh air and suffer less from the second-hand smoking.

因此，我主张在公共场所禁止吸烟，这样我们才可以呼吸到新鲜的空气，少吸二手烟。

youdao

Therefore, I % advocate that smoking in public places should be banned so that we canbreathe the fresh air and suffer less from the second-hand smoking.

因此，我主张在公共场所禁止吸烟，这样我们才可以呼吸到新鲜的空气，少吸二手烟。

youdao

The most common cause of COPD is long-term smoking or years of exposure to second-hand smoke.

VOA: standard.2010.06.21

Worldwide, as many as 40% of children, 33% of non-smoking men and 35% non-smoking women were exposed to second-hand smoke in 2004, researchers found.

BBC: Passive smoking 'kills 600,000' worldwide

And just like smoking and its second-hand health effects, second-hand fat should be a serious societal concern.

FORBES: Obesity: The New 'Just Say No' For 2013

Previous reports recorded a "sharp decrease" in "non-smokers exposure to second-hand smoke" following the ban in smoking in public places in 2006.

BBC: Scottish Health Survey: Obesity still problem for Scots