Tobacco Objectives: Identify factors that influence teens’ decisions about tobacco use. Describe the various forms of tobacco. Identify three dangerous substances in tobacco. Describe the long-term health risks of tobacco. Identify the risks of exposure to secondhand smoke. Indian Hills Middle School

determine an individual’s choice to use tobacco. Why Teens Use Tobacco The INFLUENCE of: Friends Family determine an individual’s choice to use tobacco. Media

Tobacco Products Products that are smoked: Smokeless Tobacco: Cigarettes: cured and shredded tobacco leaves rolled in paper. Bidis: tobacco wrapped in a leaf and tied with string. Kreteks: tobacco containing ground clove which numbs the lungs. Cigar and pipe tobacco Smokeless Tobacco: Chewing tobacco: dip or chew is tobacco mixed with flavorings and placed between the cheek and gum. Snuff: finely ground tobacco. Users sniff or place on their tongues.

There Is No Safe Tobacco Product! No matter how tobacco is burned or used, cancer-causing chemicals and other harmful substances are produced.

Chemicals in Tobacco Products Nicotine and the body Nicotine is a type of drug called a stimulant. Increased heart rate Increased blood pressure Changes in the brain may lead to addiction Myth: Low-tar and low-nicotine cigarettes are safer than regular cigarettes. Fact: The amount of tar and nicotine may be reduced, carbon monoxide levels are not. Smokers tend to smoke more and inhale more deeply to feel the same effects.

Chemicals in Tobacco Products Tar: the dark sticky substance that forms when tobacco burns and contains carcinogens which are cancer-causing agents. Brown stains on fingers and teeth Smelly hair and clothes Bad breath Paralysis of cilia lining the airways Increased respiratory infections Carbon Monoxide: odorless, poisonous gas reduces oxygen in the cells of the body Damage to the heart and cardiovascular system

Risks of Tobacco Use In the United States, over 400,000 people die from smoking each year. Children of people who smoke have a greater risk of developing asthma. Smokers die about 13 years earlier than nonsmokers. Smokeless tobacco increases one’s risk of cardiovascular disease.

Risks of Tobacco Use Did you know that tobacco use is the leading cause of preventable death in the United States? Long-Term Risks: Respiratory Diseases COPD: Chronic Obstruction Pulmonary Disease (loss of lung function) Chronic Bronchitis: the airways are constantly inflamed and increased mucus production restricts breathing. Emphysema: destruction of alveoli in the lungs.

Risks of Tobacco Use Cardiovascular Disease The combined effects of nicotine, tar, and carbon monoxide force the cardiovascular system to work harder to deliver oxygen to the body. A smoker is two to three times more likely to have a heart attack than a nonsmoker. Lung with emphysema Cigarette smoking doubles a person’s chances of suffering a stroke. Smokers are 10 times more likely to develop circulation problems in blood vessels that bring blood to the stomach, kidneys, legs, and feet.

Risks of Tobacco Use Cancer Tobacco use is a major factor in the development of lung cancer, oral cancers, and several other cancers. Leukoplakia patches develop on the tongues or lining of the mouth of tobacco users, which can become cancerous. Cancer of the esophagus, larynx, jaw Oral Cancer

Secondhand Smoke Mainstream Smoke: Sidestream Smoke: Secondhand smoke: When a person smokes, smoke enters the air from two sources: Smoke exhaled from a smoker’s lungs. Mainstream Smoke: Sidestream Smoke: Smoke that goes into the air directly from the cigarette. Secondhand smoke: A combination of mainstream and sidestream smoke.

Chemicals from secondhand smoke soak into hair, clothing, furniture and other surfaces. Ear infections from secondhand smoke lead to over 1 million doctor visits each year. Millions of school days are missed each year due to illnesses caused by secondhand smoke. About 35% of children in the United states are exposed to secondhand smoke at home on a regular basis. Long–term exposure can cause cardiovascular disease, respiratory problems, and cancer.

Good Health Review Questions Describe 3 factors that influence a person’s decision about tobacco use. List 3 types of tobacco products that are smoked. Name 2 smokeless tobacco products. List 3 dangerous substances in tobacco and explain what happens to the body with each. Describe 3 long-term health risks of tobacco. What is secondhand smoke? Explain. What are the risks from exposure to secondhand smoke?