What is Tobacco Addiction?

What is Tobacco Addiction?

Every smoker knows that tobacco is harmful, but they still have the compulsive need to use it. They are addicted to tobacco products including cigarettes, cigars and smokeless tobacco. Millions of people try to quite each year but most of them fail, some even picking up smoking again within a week. What makes tobacco addictive is nicotine. Nicotine can calm and relax people and reduce pain, stress and anxiety. The pleasure brought on by nicotine is what makes people addicted to it.

Why is Nicotine so Harmful?

Nicotine is a colorless, transparent, oily volatile liquid and smells like cigarettes. It is the main reason for tobacco addiction. Within 7.5 seconds, inhaled nicotine can reach the human brain and make the smoker feel relaxed. It can first perk up the central nervous system and then inhibit the excitation. The half-life period of nicotine is 30 minutes. When nicotine content in plasma is lower than a stable level, smokers usually feel restless and uncomfortable, perhaps with nausea or a headache. This is the time they crave a cigarette. Nicotine is poisonous. The nicotine in one cigarette can kill a mouse. 25 milligrams of nicotine can kill a cow and 40 to 60 milligrams of nicotine can kill a human.

Based on different processing, one cigarette can contain nicotine varying from 1.5 to 3 milligrams. Among them, 25% will be burned, 5% will stay in the cigarette end, 50% will diffuse and only 20% will be inhaled by smoker. That is why some heavy smokers who smoke one pack of cigarettes will not be poisoned. However, the damage brought on by nicotine increases every day.

The following are some examples. First, nicotine can cause stomachaches and other stomach diseases. Second, it can increase blood pressure and heart rate and even cause arrhythmia and heart disease. Third, it can damage endobronchitis and cause bronchitis. Fourth, it damages brain cells and causes central nervous system diseases. What’s worse, nicotine can cause cancer.

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