Nicotine, also known as nicotine, is a colorless, transparent, oily, volatile liquid with a pungent smell of smoke. Nicotine is the main source of addiction. Cigarettes contain nicotine. Here we will introduce the history of cigarettes and the differences between electronic cigarettes and cigarettes. Contents of this article 1. History of cigarettes 2. The difference between e-cigarettes and cigarettes 3. What are the harmful ingredients in cigarettes? 1History of cigarettesCigarettes were first popular in Turkey, where people liked to roll tobacco in newspapers and smoke it. Later, during the Crimean War, British soldiers learned how to smoke from the Ottoman soldiers, and then it spread to different places. Cigarettes are a type of tobacco product. The tobacco is dried and cut into shreds, which are then rolled into cylindrical strips with a length of about 120 mm and a diameter of 10 mm. Although the chemical substances in cigarettes are mainly dry tobacco, they have been chemically processed and many additives have been added. The smoke from burning cigarettes contains about 4,000 chemical substances, many of which are toxic substances, mutagenic substances and thousands of carcinogens. Cigarettes contain different levels of nicotine, acetone, aluminum, arsenic, butane and other substances that are toxic to the body. 2The difference between e-cigarettes and cigarettes1. Different raw materials. Electronic cigarettes are electronic products, mainly composed of atomizers, lithium batteries and cigarette cartridges, while cigarettes are mainly made of herbal tobacco. 2. The smoke is different. The smoke produced by electronic cigarettes is mainly in the form of water vapor, with smaller particle size. The smoke produced by traditional cigarettes is mainly solid particles, which have a greater impact on the lungs. 3. The smell is different. Electronic cigarettes are not likely to cause bad breath after smoking, while traditional cigarettes have a stronger smell, and people who like to smoke often have a smell of cigarettes. 3What are the harmful ingredients in cigarettes?The harmful ingredients in cigarettes include: The smoke released when tobacco burns contains more than 3,800 known chemical substances, most of which are harmful to the human body. These include carbon monoxide, nicotine and other alkaloids, amines, nitriles, esters, phenols, alkanes, aldehydes, nitrogen oxides, polycyclic aromatic hydrocarbons, heterocyclic compounds, hydroxyl compounds, heavy metal elements, organic pesticides, etc. The range is very wide. They have multiple biological effects and cause various harms to the human body. Nicotine, also known as nicotine, is a colorless, transparent, oily, volatile liquid with a pungent smell of cigarettes. Nicotine is the main source of addiction. It takes only 7.5 seconds for nicotine inhaled from cigarette smoke to reach the brain, giving smokers a gentle and pleasant feeling. It can first excite and then inhibit the central nervous system. Smokers will feel irritable, uncomfortable, nauseous, have headaches, and crave a cigarette to replenish nicotine. |
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