Harmful substances in tobacco smoke
Carcinogen (CA), Respiratory Toxicant (RT), Cardiovascular Toxicant (CT), Reproductive or Developmental Toxicant (RDT), Addictive (AD) Acetaldehyde. CA, RT, AD. Acetamide. . Cadmium and lead are both toxic metals. 1 When the plant is harvested for manufacturing, these chemicals are present in the tobacco leaves. As the tobacco leaves are Estimated Reading Time: 7 mins.
You probably know that cigarettes can kill youЧin fact, smoking kills half of those who don't quit 1 Чbut do you really have the full story? Do you know how many harmful chemicals are in cigarettes or how they get into the product? FDA created these videos and interactive tools to lay the foundation for an important public what kind of instrument is an accordion goal: we aim to publish a list of the levels of harmful and potentially harmful chemicals in tobacco, in a way that is easy for the public to understand.
As an important step toward that goal, we invite you to explore the chemicals in tobacco in three stages of cigarettes, from plant to product to puff, in the videos below. It is a fact that cigarettes contain dangerous chemicals. Are most of the harmful chemicals added during the manufacturing process? Fact : Some of the toxic chemicals in tobacco are present in the plant itself. Ok, so harmful chemicals are in the tobacco plant.
What happens during manufacturing? Is that when more dangerous chemicals are added? Fact : Not all of the harmful chemicals created during cigarette manufacturing are man-made. Some of the carcinogens occur naturally as tobacco is cured. How many harmful and potentially harmful chemicals are in a cigarette?
Is there more than nicotine and tar? Fact : There are more than 7, chemicals how to have my own blog cigarette smoke.
Here are some of the 93 known harmful and potentially harmful chemicals in cigarettes. Download and share with people in your life these images about the health effects of dangerous chemicals in cigarettes. To download:. Chemicals in Every Tobacco Plant It is a fact that cigarettes contain dangerous chemicals. To download: Click on the image below that you would like to download and share to open up a larger version. On the large version, right-click to Save As and save the image to your computer.
Mortality in relation to smoking: 40 years observations on male British doctors. British Medical Journal ; Atlanta, GA: U. Hecht SS. Research opportunities related to establishing standards for tobacco products under the Family Smoking Prevention and Tobacco Control Act.
The less harmful cigarette: a controversial issue. A tribute to Ernst L. Chemical Research in Toxicology. Some non-heterocyclic polycyclic aromatic hydrocarbons and some related exposures. Tobacco smoke and involuntary smoking.
Fact: Some of the toxic chemicals in tobacco are present in the plant itself. 3 Watch the tobacco growth video to uncover more. Chemicals in Every Cigarette Product Ok, so harmful chemicals are in Estimated Reading Time: 3 mins. To recap, some of the harmful chemicals, like cadmium and lead, are present in the tobacco plant. 1 More chemicals are created or added during manufacturing. 1,2,3 Lighting up creates even more Estimated Reading Time: 30 secs. The tobacco plant itself contains harmful chemicals right from the start, including highly addictive nicotine. 1,2 In addition to nicotine, toxic chemicals like cadmium and lead are often found in Estimated Reading Time: 5 mins.
Tobacco smoke contains many chemicals that are harmful to both smokers and nonsmokers. Breathing even a little tobacco smoke can be harmful 1 - 4. Of the more than 7, chemicals in tobacco smoke, at least are known to be harmful, including hydrogen cyanide , carbon monoxide , and ammonia 1 , 2 , 5.
Among the known harmful chemicals in tobacco smoke, at least 69 can cause cancer. These cancer-causing chemicals include the following 1 , 2 , 5 :. Smoking is the leading cause of premature, preventable death in this country.
Cigarette smoking and exposure to tobacco smoke cause about , premature deaths each year in the United States 1. Mortality rates among smokers are about three times higher than among people who have never smoked 6 , 7. Smoking causes cancers of the lung, esophagus, larynx, mouth, throat, kidney, bladder, liver, pancreas, stomach, cervix, colon, and rectum, as well as acute myeloid leukemia 1 Ч 3.
Smoking also causes heart disease, stroke, aortic aneurysm a balloon-like bulge in an artery in the chest , chronic obstructive pulmonary disease COPD chronic bronchitis and emphysema , diabetes , osteoporosis , rheumatoid arthritis, age-related macular degeneration , and cataracts , and worsens asthma symptoms in adults.
Smokers are at higher risk of developing pneumonia , tuberculosis , and other airway infections 1 Ч 3. In addition, smoking causes inflammation and impairs immune function 1.
There have also been changes over time in the type of lung cancer smokers develop Ч a decline in squamous cell carcinomas but a dramatic increase in adenocarcinomas. Both of these shifts may be due to changes in cigarette design and composition, in how tobacco leaves are cured, and in how deeply smokers inhale cigarette smoke and the toxicants it contains 1 , 8.
Smoking makes it harder for a woman to get pregnant. Men who smoke are at greater risk of erectile dysfunction 1 , 9. But regardless of their age, smokers can substantially reduce their risk of disease, including cancer, by quitting.
The U. Environmental Protection Agency, the U. National Toxicology Program, the U. Surgeon General, and the International Agency for Research on Cancer have classified secondhand smoke as a known human carcinogen cancer-causing agent 5 , 11 , Inhaling secondhand smoke causes lung cancer in nonsmoking adults 1 , 2 , 4.
Approximately 7, lung cancer deaths occur each year among adult nonsmokers in the United States as a result of exposure to secondhand smoke 1. Secondhand smoke causes disease and premature death in nonsmoking adults and children 2 , 4. In the United States, exposure to secondhand smoke is estimated to cause about 34, deaths from heart disease each year 1.
Pregnant women exposed to secondhand smoke are at increased risk of having a baby with a small reduction in birth weight 1. Children exposed to secondhand smoke are at an increased risk of SIDS, ear infections, colds, pneumonia, and bronchitis. Secondhand smoke exposure can also increase the frequency and severity of asthma symptoms among children who have asthma. Smoking is highly addictive.
The addiction to cigarettes and other tobacco products that nicotine causes is similar to the addiction produced by using drugs such as heroin and cocaine Nicotine is present naturally in the tobacco plant.
But tobacco companies intentionally design cigarettes to have enough nicotine to create and sustain addiction. The amount of nicotine that gets into the body is determined by the way a person smokes a tobacco product and by the nicotine content and design of the product.
Nicotine is absorbed into the bloodstream through the lining of the mouth and the lungs and travels to the brain in a matter of seconds. Taking more frequent and deeper puffs of tobacco smoke increases the amount of nicotine absorbed by the body. All forms of tobacco are harmful and addictive 4 , There is no safe tobacco product. In addition to cigarettes, other forms of tobacco include smokeless tobacco , cigars , pipes , hookahs waterpipes , bidis , and kreteks.
There is no safe level of smoking. Smoking even just one cigarette per day over a lifetime can cause smoking-related cancers lung, bladder, and pancreas and premature death 24 , Quitting smoking reduces the risk of cancer and many other diseases, such as heart disease and COPD , caused by smoking. Data from the U. National Health Interview Survey show that people who quit smoking, regardless of their age, are less likely to die from smoking-related illness than those who continue to smoke.
Regardless of their age, people who quit smoking have substantial gains in life expectancy, compared with those who continue to smoke. National Health Interview Survey also show that those who quit between the ages of 25 and 34 years live about 10 years longer; those who quit between ages 35 and 44 live about 9 years longer; those who quit between ages 45 and 54 live about 6 years longer; and those who quit between ages 55 and 64 live about 4 years longer 6. Also, a study that followed a large group of people age 70 and older 7 found that even smokers who quit smoking in their 60s had a lower risk of mortality during follow-up than smokers who continued smoking.
Quitting smoking reduces the risk of developing and dying from cancer and other diseases caused by smoking. Although it is never too late to benefit from quitting, the benefit is greatest among those who quit at a younger age 3. The risk of premature death and the chances of developing and dying from a smoking-related cancer depend on many factors, including the number of years a person has smoked, the number of cigarettes smoked per day, and the age at which the person began smoking.
Quitting smoking improves the prognosis of cancer patients. It also lowers the risk of pneumonia and respiratory failure 1 , 3 , In addition, quitting smoking may lower the risk that the cancer will recur, that a second cancer will develop, or that the person will die from the cancer or other causes 27 , 29 Ч Menu Contact Dictionary Search. Understanding Cancer. What Is Cancer? Cancer Statistics. Cancer Disparities. Cancer Causes and Prevention. Risk Factors. Cancer Prevention Overview.
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