The harm of tobacco is one of the serious public health problems in the world today. The number of deaths caused by smoking in the world is more than that caused by AIDS, tuberculosis and malaria combined, reaching 6 million. There are more than 300 million smokers in China, and about 740 million non-smokers are harmed by indirect smoking. Every year, the number of people who die from smoking-related diseases exceeds 6.5438+0 million. More than 7,000 chemical components have been found in tobacco smoke, most of which are harmful substances, at least 69 carcinogens, various harmful gases, heavy metals, radioactive substances and toxic nicotine.
The main dangers of smoking are:
1. The main risk factors of lung cancer may induce oral cancer, esophageal cancer, gastric cancer, liver cancer, bladder cancer and other malignant tumors.
2. Induce a variety of respiratory diseases, such as chronic obstructive pulmonary disease (COPD), increase the risk of respiratory infection, increase the risk of tuberculosis, and adversely affect the sequelae.
3. Lead to type 2 diabetes and increase the risk of complications.
The test results show that in a space, 5~6 people each smoke a cigarette, and the PM2.5 content in this room is much more serious than that in foggy days. Smoking is not only harmful to oneself, but also affects children, leading to fetal death, congenital malformation, adolescent asthma and so on. Therefore, for the sake of health, we should give up smoking as soon as possible.
Smoking partners all know that there is a saying on every cigarette case that smoking is harmful to health. Don't smoke in non-smoking places. Then the problem comes, smoking is harmful to health. So why not close the tobacco enterprises? As we all know, tobacco is the giant of tax revenue in China, which is closely related to national interests. Then we can understand this sentence like this. Smoking is harmful to health. This means that smoking is harmful to health and smokers, but it is good in many ways.
Second,? Don't smoke in non-smoking places? This sentence can calmly tell consumers where else to smoke, and analyze the benefits of the above sentence and this contradiction in detail.
Why smoking is harmful to health?
From the perspective of human psychology, when we analyze that smoking is harmful to health, just like idolization, one person can influence some people. Starting from several generations of leaders in China, at least when they were young, did we ever think that smoking would be harmful to health? Moreover, smoking is actually a spiritual sustenance, and some people smoke just for a cool word. Some people are influenced by groups, and it is not appropriate for others to slap you in the face. Someone summed it up with this sentence. Some people are influenced by tobacco and alcohol culture and start to smoke. In a word, smoking is both harmful and beneficial.
Why smoking is harmful to health?
Smoking is really harmful to health. The results show that nicotine in tobacco can affect vasospasm, vascular endothelial cell damage and skin blood supply, thus leading to nutritional disorders. The combination of carbon monoxide and hemoglobin in tobacco reduces the oxygen carrying capacity and makes the skin anoxic. As time goes on, the elasticity and luster of the skin disappear, and it looks older than its actual age. Smoking can damage people's teeth and make them yellow, which is particularly ugly. And bad breath. Frequent smoking can cause chronic retrobulbar neuritis, leading to decreased vision and blurred vision. Smoking directly harms the respiratory system, including the throat, bronchi and lungs. Smoking too much can lead to various diseases. Finally, smoking is harmful to health. Please wash as little as possible.