Smoking.Smoking is a very bad habit and can leave a lot of bad consequences. Some people smoke tobacco, cannabis or cocaine.
Lifestyle factor: Smoking
Smoking is a very bad habit and can leave a lot of bad consequences. Some people smoke tobacco, cannabis or cocaine. But most people smoke tobacco or as we more commonly know it, your ordinary cigarette.
Tobacco comes from the leaves of the tobacco plant. It contains a drug called nicotine, which is highly addictive. It's nicotine that gives smokers their 'hit'. Smoking any drug gets it to the brain quickly. When a smoker inhales, the nicotine reaches the brain in around 8 seconds. Regular smokers say it helps them relax and feel less hungry. Nicotine is a highly addictive drug. Smokers can get hooked very quickly and it can take years and a huge effort to kick the habit. Not many people are able to remain occasional smokers. It's illegal for shopkeepers to sell tobacco or tobacco products to anyone under 18. The leaves of the tobacco plant are dried then rubbed to produce a brown, flaky mixture. It can be bought loose as rolling tobacco or in ready-made cigarettes. Tobacco is most often smoked but some people chew it. The cost depends on the scale of a smoker's habit. As a guide, smoking 20 a day for five years will cost £8000.Tobacco smoke contains over 4000 chemicals. Many of them are known to do nasty things to the human body including causing cancer.