In large doses nicotine is a poison and can kill by stopping a person's breathing muscles. Smokers usually take in small amounts that the body can quickly break down and get rid of. The first dose of nicotine causes a person to feel awake and alert, while later doses result in a calm, relaxed feeling.
Nicotine can make new smokers, and regular smokers who get too much of it, feel dizzy or sick to their stomachs. The resting heart rate for young smokers increases 2 to 3 beats per minute. Nicotine also lowers skin temperature and reduces blood flow in the legs and feet. It plays an important role in increasing smokers' risk of heart disease and stroke. Because nicotine is such a powerful constrictor of arteries, many vascular surgeons refuse to operate on patients with peripheral artery disease unless they stop smoking.
Many people mistakenly think that nicotine is the substance in tobacco that causes cancer. This belief may cause some people to avoid using nicotine replacement therapy when trying to quit. While nicotine is what gets (and keeps) people addicted to tobacco, other substances in tobacco are responsible for its cancer-causing effects. There is some early evidence from lab-based studies that nicotine may help existing tumors to grow, but whether these results apply in people is not yet known and more research is needed.
Why do people begin to smoke?
Most people begin smoking as teens, generally because of peer pressure and curiosity. Also, people with friends and/or parents who smoke are more likely to take up smoking than those who don't.
Another prevalent influence in our society is the tobacco industry's ads and other promotional activities for its products. The tobacco industry spends billions of dollars each year to create and market ads that show smoking as an exciting, glamorous, and healthy adult activity. In large doses nicotine is a poison and can kill by stopping a person's breathing muscles. Smokers usually take in small amounts that the body can quickly break down and get rid of. The first dose of nicotine causes a person to feel awake and alert, while later doses result in a calm, relaxed feeling.
Nicotine can make new smokers, and regular smokers who get too much of it, feel dizzy or sick to their stomachs. The resting heart rate for young smokers increases 2 to 3 beats per minute. Nicotine also lowers skin temperature and reduces blood flow in the legs and feet. It plays an important role in increasing smokers' risk of heart disease and stroke. Because nicotine is such a powerful constrictor of arteries, many vascular surgeons refuse to operate on patients with peripheral artery disease unless they stop smoking.
Many people mistakenly think that nicotine is the substance in tobacco that causes cancer. This belief may cause some people to avoid using nicotine replacement therapy when trying to quit. While nicotine is what gets (and keeps) people addicted to tobacco, other substances in tobacco are responsible for its cancer-causing effects. There is some early evidence from lab-based studies that nicotine may help existing tumors to grow, but whether these results apply in people is not yet known and more research is needed.
Why do people begin to smoke?
Most people begin smoking as teens, generally because of peer pressure and curiosity. Also, people with friends and/or parents who smoke are more likely to take up smoking than those who don't.
Another prevalent influence in our society is the tobacco industry's ads and other promotional activities for its products. The tobacco industry spends billions of dollars each year to create and market ads that show smoking as an exciting, glamorous, and healthy adult activity.European Cigarettes at the lowest possible price.
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