Quit smoking today Choosing to smoke and destroying your own health is one thing but passive smoking, also known as Environmental Tobacco Smoke (ETS) or Secondhand Smoke (SHS), damages the health of those around you. These people have no choice as to whether or not they are exposed to your harmful smoke. Passive smoking constitutes a serious public health risk to both children and adults. It is also a major source of indoor air pollution. A non-smoker is subjected to both the "sidestream" smoke from the burning tip of the cigarette and the "mainstream" smoke that has been inhaled and then is exhaled into their environment by the smoker. Nearly four-fifths of the smoke that builds up in a room containing a smoker is of the more harmful "sidestream" type.
http://exitsmoking.blogspot.com It is not too much of a conceptual leap to understand that the smoke from cigarettes, which is so bad for the smoker, is also damaging to everyone else. Tobacco smoke contains over 4000 chemical compounds, including at least 40 cancer-causing carcinogenic agents. Tobacco smoke also contains carbon monoxide, a poisonous gas, which inhibits the transportation of oxygen to the body's vital organs via the blood. The smoke emitted from the tip of a cigarette has about double the concentration of nicotine and tar as the smoke being directly inhaled by the smoker. It also contains about three times the amount of the carcinogen benzo(a)pyrene, five times the level of carbon monoxide and about 50 times the amount of ammonia. Add to these the other chemicals in the smoke like arsenic, formaldehyde, vinyl chloride, and hydrogen cyanide and you have a very unappetizing toxic gas cocktail. Remember that the passive smoker receives all of this and gets none of the enjoyment that you get out of smoking in return. Many of the potentially toxic gasses in the smoke are present in higher concentrations in the "sidestream" smoke than in the "mainstream" smoke. In tests tobacco specific carcinogens have been found in samples of blood or urine provided by non-smokers who have been exposed to passive smoking.
Any person exposed to passive smoking may experience short-term symptoms such as a headache, a cough, wheezing, an eye irritation, a sore throat, nausea or dizziness. Adults with asthma may also experience a significant decline in lung function when exposed to secondhand smoke. Under these conditions it can take as little as half an hour for an individual's coronary blood flow to become reduced.
It was estimated that prolonged exposure to secondhand tobacco smoke, such as in the home, increases the risk of lung cancer by approximately 20 to 25%. Even if you do not accept the accuracy of these percentages, it is well established that you have an increased chance of developing lung cancer through passive smoking if you are a non-smoker but live with someone who smokes. The chances of suffering from ischaemic heart disease is greater for those exposed to passive smoking compared to those who are not. Studies have shown that the risk of experiencing a heart attack is believed to be almost doubled by regular exposure to secondhand smoke.
Some of the most serious damage inflicted by passive smoking is done to children during their formative years. As you would expect, a child's bronchial tubes are smaller and their immune systems are less developed making them more susceptible to the harmful effects of passive smoking. Because their airways are smaller, children breathe faster than adults and, consequently, they actually breathe in comparatively more of the harmful chemicals in the smoke, based on their body weight, than adults do. Few parents who smoke would continue to do so if they knew the potential harm that they were doing to their children. Young children, by necessity, spend a lot of time at home and maternal smoking is one of the major sources of passive smoking because of the child's close proximity to their parents during early childhood. http://exitsmoking.blogspot.com
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