一、危害健康核心危害

致癌风险

Smoking is very easy to get cancer, especially lung cancer 。

呼吸系统损伤

It does much harm to our lungs and increases the risk of respiratory diseases like tuberculosis 。

心血管疾病

Smoking is dangerous to our heart and can lead to heart attacks and strokes 。

二、其他危害

二手烟危害

Secondhand smoke is harmful to people who stand around you, causing respiratory problems and increasing cancer risk 。

牙齿损害

Smoking damages teeth, making them yellow and increasing the risk of cavities 。

智商影响

Studies claim that cigarette smokers have lower IQs than non-smokers 。

三、社会影响

公共卫生问题

Smoking is a major public health issue, leading to increased healthcare costs and reduced life expectancy 。

成瘾性

It's hard to quit once addicted, making it a chronic disease 。

四、实用表达

劝诫他人

Please stop smoking for your health. It's not a good habit.

场景对话

A: Excuse me, you're not allowed to smoke here.

B: I beg your pardon, may I move to the smoking area？

注：部分表达如"tracheitis"应为"tuberculosis"（肺结核）的常见误写，已根据医学规范进行更正。建议在正式写作中优先使用"lung cancer"等更标准的表述。