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The addictive effects of nicotine are confusingly similar to those of cocaine and heroin. According to research, nicotine increases the production of dopamine, which is one of the main reasons for the development of addiction. Despite its pleasurable properties, nicotine, combined with other compounds contained in cigarette smoke, contributes to the development of cancer and cardiovascular diseases in the smoker’s body.
Nicotine imitates the effects of hard drugs with its action and addictive properties. Nicotine has a stimulating effect on our body, but it can also have a calming effect. It is possible thanks to the influence on the receptors of our brain. Some people think that nicotine additionally stimulates our mind to work. Despite all these deceptive and insignificant benefits, nicotine is an extremely dangerous chemical, classified as a harmful substance, and cigarette smoke is known to be carcinogenic.
Nicotine – properties
Nicotine belongs to the group of neurotoxins. This is synonymous with the fact that in high doses it has a disruptive effect on our body, and in the end it can even lead to the death of the addicted person. Nicotine is often an ingredient in insecticides. Naturally, nicotine is found in tobacco leaves, which serve as the element used to make cigarettes.
Nicotine – action
The effect of nicotine is largely dependent on its dosage. The higher the dosage, the more harmful it is to the body. At low dosage, nicotine gives a feeling of joy and stimulates our nervous system, speeds up the heart rate, dilates the pupils and increases blood pressure. In some cases, at low dosages, nicotine can stimulate our brain and nervous system to work, as well as improve concentration and memory.
In addition, studies have shown that nicotine triggers dopamine in our body, also known as the happiness hormone. Things are different with the higher dosage. The more often a smoker reaches for a cigarette, the more his addiction becomes. Nevertheless, even frequent dosing of nicotine has a calming effect and reduces the stress of the smoker. There is also talk of the therapeutic effect of cigarettes. Addicts often reach for a cigarette in stressful situations, which proves the stimulating and calming effect of these stimulants.
Nicotine – harmfulness
There are ongoing debates around the world about the influence of nicotine on the appearance and development of neoplastic changes in the smoker’s body. Some believe that nicotine has no effect on the development of neoplastic changes, others believe that tobacco smoke, not nicotine, is responsible for the increased risk of cancer in smokers. Such opinions did not come out of nowhere. Tobacco smoke is the product of carcinogenic substances such as carbon monoxide, tar, phenols and hydrogen cyanide. All of these substances make up the lethal, carcinogenic mixture. Each of them destroys our respiratory system and impairs its functioning. Nicotine is not only harmful because of its carcinogenicity, smoking also damages the skin and teeth. Cigarette smoke also contributes to the development of cardiovascular diseases, the most common of which are heart attacks, aneurysms, strokes and atherosclerosis. Smoking also affects the smoker’s digestive system. Smokers are more prone to gastric and duodenal ulcers. Nicotine also increases the production of digestive juices.
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