Is smoking harmful?

The whole fibrosis of your lungs is like wood and is not active at all The second is cardiovascular, smoking can lead to cardiovascular blockage, and the third is that smoking will make you numb and dependent, and even many people will tremble, unable to control their body, and will cause stomach ulcers and infertility in the reproductive system.

Smoking causes more than 40 types of cancer.

Smoking is of course harmful, smoking is harmful to health, smoking is the most harmful to the lungs, smoking can cause lung cancer, 90% of the mortality rate is caused by smoking.

Is smoking harmful**? Star Awareness Project

It is definitely harmful, mainly because there are a lot of flavoring and dyeing substances added to cigarettes now, and the products produced after combustion are too complex.

Definitely, do you still need to ask? It can be said that this is a thing that is difficult to match in human history, whether in terms of time span or the content of evidence.

Smoking is an unhealthy lifestyle habit, and the harms of smoking to the human body include: 【Brain】 Smoking can cause a variety of brain diseases, which will reduce the oxygen and blood circulating in the brain, cause bleeding and occlusion of blood vessels in the brain, and lead to paralysis, mental decline and stroke. Stroke is caused by smoking, which causes blood vessels in the brain to spasm, making it easier for blood to clot.

Smokers are twice as likely to have a stroke as non-smokers. 【Larynx】 Smoking can lead to laryngeal cancer. Laryngeal cancer.

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.

Smoking is an important pathogen for cardiovascular and cerebrovascular diseases, cancer, chronic obstructive pulmonary disease and other diseases, and smoking has become the second global killer after hypertension. In particular, smoking is the leading risk factor for lung cancer.