What are the health hazards of smoking?

The harm of smoking is accumulated over time, and it is difficult to see the harm for a while, so many people unconsciously ignore its seriousness and fatality, which also leads to many people who start smoking without knowing the truth and being unsuspecting.

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Increases the chances of developing various lung diseases.

Excessive smoking can lead to lung cancer.

1. Smoking will damage the structure and function of the lungs, reduce people's lung capacity, and among the people who die from smoking worldwide, 75 people die from chronic bronchitis and emphysema. 2. Smoking can promote atherosclerosis and cause cardiovascular and cerebrovascular diseases. 3. It causes lung cancer (90% of lung cancer patients have a history of smoking), or is it a predisposing factor for malignant tumors such as oral cancer, throat cancer, and esophageal cancer.

4. Long-term smoking damages the nervous system and leads to changes in brain structure. 5. Damage the human urinary and reproductive systems and accelerate genetic changes.

It is easy to suffer from lung cancer, and smoking is particularly harmful to the lungs, which can easily lead to lung fibrosis, that is, lung cancer, so it is imperative to quit smoking!

Cigarette smoking is a major cause of chronic bronchitis and emphysema, while chronic lung disease itself increases the risk of pneumonia and heart disease, and smoking also increases the risk of high blood pressure.

Smoking is very harmful, and the respiratory system is the most directly affected part, which can lead to chronic laryngitis, chronic bronchitis, emphysema, pulmonary interstitial fibrosis and other diseases, and lung cancer is also high in smokers. In addition, it also has a certain impact on the cardiovascular and cerebrovascular system, such as coronary atherosclerotic heart disease, hypertension, hyperlipidemia, cerebral infarction and other diseases, all of which are related to smoking, and the incidence rate in smokers is about 2-4 times that of normal people.

Smoking is a real health hazard.

Because tobacco contains nicotine (nicotine), it is highly toxic. It has been reported that nicotine in one cigarette can poison 10 mice, nicotine in 25 cigarettes can poison a cow, and 40 60 milligrams of nicotine can kill people. Nicotine damages brain cells, causing central nervous system symptoms in smokers; It causes increased blood pressure, rapid heartbeat, and even arrhythmia and heart disease; Causes stomach pain and other stomach problems; Damage to the bronchial mucosa, causing chronic bronchitis.

More seriously, tobacco dramatically increases the risk of cancer in the lungs, mouth, pharynx, larynx, esophagus, pancreas, bladder and renal pelvis, as well as cancers and leukemia in the nasal cavity, sinuses, stomach, liver, kidneys, cervix. Their danger is determined by how long and how much smokers smoke. For some smokers, alcoholic beverages can also exacerbate the health effects.

However, there is also evidence that smoking does not cause breast cancer and can reduce the frequency of cancer of the uterine wall.

There are no clear results showing the association between smoking and the risk of rectal, colon and prostate cancer.

Some of these types of cancer are more likely to be affected by objects in the smoker's field, smoker drinking, and smoker infection.