There are hundreds of harmful components in cigarettes, and the representative ones are nicotine, tar and smoke.
1. Nicotine: nicotine is addictive, in addition to addiction, but also on the human central system, cardiovascular system and blood damage, such as mild excitement, platelet aggregation, increased blood pressure.
2. Tar: tar is the product of aerobic combustion of organic matter in cigarettes, but also easy to cause cancer of the main factors, including some hydrocarbons and hydrocarbon oxides, but also contains a mixture of sulfide and nitrogen compounds, as well as some heavy metals, such as chromium, cadmium and arsenic, these substances are a class of medically proven carcinogens.
3. Smoke: The main harmful gases include carbon monoxide, acrolein, hydrocyanic acid, as well as nitrous oxide, nitrogen dioxide, acetone and acetaldehyde. After animal modeling tests show that these gases can seriously damage the lungs, causing chronic bronchitis, chronic obstructive pulmonary disease, vascular sclerosis, myocardial infarction and other diseases.
Patients are advised to quit smoking in time to avoid the effects on the body.