What do you know about the dangers of secondhand smoke?

It mainly causes asthma, pneumonia, lung cancer, high blood pressure, heart disease and poor reproductive development. Among them, second-hand smoke is no less harmful to passive smokers than active smokers, especially to children and adolescents.

The carbon monoxide and nicotine in the smoke will infect the fetus in the womb, and carbon monoxide will reduce the oxygen concentration in the mother's blood vessels, resulting in fetal hypoxia; Nicotine will reduce the nutrients in the blood, and the fetal nutrition is insufficient, which will directly lead to premature birth and certain congenital disorders after the baby is born.

Personally, I think that second-hand smoke is actually quite harmful, for example, it will cause some trouble to some of your internal organs, and it will cause some damage to your environment. Personally, I feel that second-hand smoke is very harmful to the people around me and myself.

People who often smoke secondhand smoke are more harmful than people who smoke directly, and are prone to lung disease, bronchitis, and a series of other refractory diseases.

There are many harms from second-hand smoke, for example, like smoking, the body's lung function will gradually weaken, resulting in poor health and making people more and more unenergetic.

The biggest thing is that it causes cancer, and the harm of second-hand is much, much higher than the harm of that person's own smoking, I am very repulsive.

Exposure to second-hand smoke can have a bad effect on people's health, and I once saw a report on the Internet that second-hand smoke is more harmful than smoking.

Smoking second-hand smoke is more harmful than smoking first-hand smoke, and I heard that the nicotine content in second-hand smoke is twice that of your handsmoke, which is particularly harmful.

In my own personal experience, if you inhale second-hand smoke, it will cause many of us to have black lungs, which will cause more damage.

What to do? Kill him? I quit smoking because of my health, but in the past few years, everyone in the dormitory has smoked, two to three packs a day. Alas, I can't even say!

<> first we need to figure out what is"Secondhand smoke"，"Secondhand smoke"Also known as passive smoking, it refers to the mixed smoke released from the burning end of the tobacco product and exhaled by the smoker. Each piece of second-hand smoke contains thousands of chemicals, tar, nicotine and other hundreds of harmful substances, carcinogens are as high as sixty-nine, when the human body inhales second-hand smoke, these harmful substances produced by tobacco combustion will enter the lungs of the human body with human breathing, and then combine with the blood through the capillaries of the lungs, acting on various organ systems of the human body, causing many related diseases.

The diseases that may be caused are roughly divided into two categories: the first type is cancer, the second type is chronic disease, cancer is the cancer of multiple organ systems of the whole body led by lung cancer, in the process of second-hand smoke inhalation, it will pass through multiple tissues and organs of the human body, including oral cancer, laryngeal cancer, including in the process of tobacco excretion, and even the bladder is not spared, and chronic disease, mainly refers to common chronic obstructive pulmonary disease, especially in winter, including coronary heart disease including stroke, after research has found, Tobacco can damage almost all organs and systems of the human body, not everyone will get sick if they inhale second-hand smoke, but one out of every two people will get sick because of inhaling second-hand smoke, because in various organs of the human body, there are always weak parts, then some people may be reflected in the lungs, some people may be reflected in the heart, different people suffer from related diseases are also different, in terms of lifespan, people who often inhale second-hand smoke live an average of ten years less than people who are not exposed to second-hand smoke.

If you get sick because of inhaling other people's second-hand smoke, think about how unworthy it is, so if you have a friend who smokes, if you really can't control your craving, you must advise him to smoke outdoors, in an uncovered place, so that it will not affect the health of others.

Second-hand smoke is more harmful to the body, because second-hand smoke will breathe directly into the stomach, second-hand smoke contains burned carbon monoxide, nicotine, tar, which will cause serious damage to the body.

First of all, it will affect the health of the lungs, which is likely to cause pneumonia or cancer, which will affect the health of the respiratory system, and will lead to a decrease in resistance and immunity.

It affects the human respiratory system, trachea, and lungs, causing people to cough all the time, affecting the cardiovascular and cerebrovascular systems, as well as the blood circulation of the brain, which are all harmful effects of secondhand smoke.

It will lead to lung problems, which can easily lead to damage to one's lungs, easily affect physical health, affect the health of the lungs, and affect normal life.

What are the dangers of secondhand smoke to the human body?

Secondhand smoke contains tar, nicotine and carbon monoxide, which are harmful substances that can easily cause lung cancer. It will affect memory, often absorb second-hand smoke, and can also cause pneumonia and asthma in children, and it is not good for the heart, and second-hand smoke is also very harmful to pregnant women and fetuses.

For lung cancer, the content of harmful substances in cigarettes is very high, with higher levels of nicotine, tar, and carbon monoxide than those ingested by direct smokers. Smoking increases the risk of lung cancer, and secondhand smoke is no exception, and people who live with smokers are often about 6 times more likely to develop lung cancer than normal people.

Secondhand smoke contains more than 40 carcinogens, which can increase the risk of diseases such as lung cancer if inhaled. Studies have shown that if a husband smokes, his wife is more than 200% more likely to get lung cancer than the general population. It also affects fetal growth and development.