It can cause breathing problems, trigger asthma, reduce lungfunction and cause lung diseases.
它可导致呼吸问题、引发哮喘、降低肺功能并引起肺部疾病。
2
The presumption has been that smoking renders people vulnerable to disease by impairing lungfunction or immunity. And it may well do both.
假设是基于抽烟能削弱肺部功能或者免疫力，更可能是两者，从而使人们更容易受到疾病的攻击。
3
If you feel your ability to draw a deep breath is declining, ask your doctor to perform lungfunction tests to give you a clear picture of your lung health.