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Sunday, November 27, 2011

The Super Bad : Nicotine

What is nicotine?

Nicotine is the most common drug of abuse. It is usually taken by smoking or chewing tobacco, and nicotine, and is used by millions of people around the world.
Nicotine works by traveling to the lungs to the brain quickly (in about seven seconds), where it stimulates the release of dopamine, an important neurotransmitter in the brain involved in mood, appetite and other brain functions.

Although generally used for its euphoric and sedative properties, nicotine appears to actually be a stimulant and a depressant effect - the effect at any time may depend on the circumstances in which it is used. So it helps to relax the concentration or the user.
Nicotine is widely recognized as one of the most addictive of all drugs. Users can quickly become addicted to its effects (and vulnerable, it is only a few cigarettes to get addicted to the habit).

If someone suddenly stops taking the nicotine, often experience withdrawal symptoms such as prolonged anxiety and mood swings. This allows the drug to beg in order to try to reverse this unpleasant sensations. So it's a habit hard to break.
The fact that smoking or chewing is not illegal and has a certain social acceptance (even if it has more and much less in recent years) makes it difficult to exit. Many argue that if the tobacco was discovered today, it was considered too dangerous to be allowed for human consumption.

Risks of nicotine

As pure a drug, nicotine has few adverse effects on physical health, but an increase in blood pressure and accelerates the progression of heart disease and arterial. But you're making other chemicals, along with the nicotine that a lot of damage. When tobacco is smoked like a cigarette burn, there will be hundreds of other ingredients. And 'these chemicals, described below, with the greatest risk to health.
Smoking increases the risk of cancer in almost all organs and body tissues, especially lung cancer, throat and stomach. Heart disease, stroke and serious lung diseases such as chronic obstructive pulmonary disease (commonly known as emphysema and chronic bronchititis) are some of the reasons why smokers are more likely to die young, many years for their non-smoking. It is estimated that smoking accounts for more than 110,000 premature deaths each year in the United Kingdom.

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