我们身边有许多人并没有吸烟的嗜好,可却患了呼吸系统以及心血管等系统的疾病。为什么呢?其主要原因是他们经常被动的吸烟。被动吸烟,人们又称其为二手烟、环境烟雾暴露、非自愿吸烟。学者们在调查研究中发现,被动吸烟打破了人体内环境的稳定,干扰了正常生理功能的发挥,可以造成非直接吸烟者早死和呼吸系统疾病等多种疾病。长期被动吸烟会引发肺癌(比其他 There are many people around us that do not have the habit of smoking but suffer from respiratory and cardiovascular diseases. Why? The main reason is that they often passively smoke. Passive smoking, also known as second-hand smoke, environmental smoke exposure, involuntary smoking. Researchers found in the investigation and study that passive smoking broke the stability of the human body environment and disturbed the normal physiological functions, which could cause premature death and respiratory diseases among non-direct smokers. Long-term passive smoking can cause lung cancer (other than