Smoke-free workplace policies are the only way to protect workers from secondhand smoke. Cleaning, ventilating or creating separate areas for smokers is not a substitute. Topic Harmful Effects of Tobacco. Subtopic Economy. More in harmful effects of tobacco.
Nicotine Addiction. Most people who smoke started smoking when they were teenagers. The tobacco industry spends billions of dollars each year to create and market ads that show smoking as exciting, glamorous, and safe.
Tobacco use is also shown in video games, online, and on TV. And movies showing people smoking are another big influence. Studies show that young people who see smoking in movies are more likely to start smoking.
Often wrongly seen as harmless, and easier to get and use than traditional tobacco products, these devices are a way for new users to learn how to inhale and become addicted to nicotine, which can prepare them for smoking. Anyone who starts using tobacco can become addicted to nicotine. Studies show that smoking is most likely to become a habit during the teen years. The younger you are when you begin to smoke, the more likely you are to become addicted to nicotine. The report estimates that about 3 out of 4 high school students who smoke will become adults who smoke — even if they intend to quit in a few years.
Addiction is marked by the repeated, compulsive seeking or use of a substance despite its harmful effects and unwanted consequences. Addiction is mental or emotional dependence on a substance. Nicotine is the known addictive substance in tobacco. Regular use of tobacco products leads to addiction in many users. Researchers are also looking at other chemicals in tobacco that make it hard to quit.
In the brains of animals, tobacco smoke causes chemical changes that are not fully explained by the effects of nicotine. The average amount of nicotine in one regular cigarette is about 1 to 2 milligrams mg. The amount you actually take in depends on how you smoke, how many puffs you take, how deeply you inhale, and other factors. About 2 out of 3 of people who smoke say they want to quit and about half try to quit each year, but few succeed without help.
If you stop smoking before the age of 35, your life expectancy is only slightly less than that of people who have never smoked. But, it is never too late to stop smoking to gain health benefits.
Even if you already have COPD or heart disease, your outlook prognosis is much improved if you stop smoking. After 20 minutes: your blood pressure and pulse rate return to normal. Circulation improves in hands and feet. After 8 hours: oxygen levels in the blood return to normal and your chance of heart attack starts to fall.
After 24 hours: poisonous carbon monoxide gas is eliminated from the body. The lungs start to clear out mucous and other debris. After 48 hours: nicotine is no longer detectable in the body. Taste and smell improve. After 72 hours: breathing becomes easier as the bronchial tubes relax and energy levels increase. After 3 to 9 months: coughing, shortness of breath and wheezing are reduced dramatically.
Finances improve — more money in your pocket. Click here to see how much you can save by giving up smoking. Contact Details for Quit Services in your area are available here. Welcome Logout. Skip to main content. One in every two long term smokers will die from a tobacco related disease.
Cigarette Smoke contains the following Cigarette smoke contains over 4, chemicals, including approximately 69 known cancer causing carcinogenic chemicals as well as over other toxins. The following cancers and diseases are common among smokers; Heart Attack. Coronary Heart Disease. Cancers of the mouth, nose, larynx, throat, oesophagus, pancreas, bladder, cervix, blood and kidney are all common in smokers.
Rheumatoid Arthritis.
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