Alcohol, Tobacco and Other Drug Use Unit 2- Lesson 1- Review Ms. McDonald 7 th Grade Health

Station 1  Facts about Tobacco  A single puff of tobacco smoke contains more than 4,000 harmful chemicals! Most of those chemicals hurt your body’s ability to work propyl. Several of them can cause cancer in people who smoke.  What is in Tobacco?  Natural tobacco contains harmful substances that are released when a person smokes or chews it. Tobacco companies add more harmful ingredients when they prepare tobacco to be sold.  One harmful substance found in tobacco is called nicotine. Nicotine is an addictive, or habit- forming, drug found in tobacco. Once you are addicted to nicotine, your body has a strong need, or craving for it.  When tobacco burns, it produces tar. Tar is a thick, dark liquid that forms when tobacco burns. Tar coats the airways and the linings of the lungs. Lungs coated with tar can become diseased.

Station 2 Respiratory SystemDigestive SystemNervous SystemExcretory SystemCirculatory System Tobacco smoke damages the air sacs in the lungs. This damage can lead to a life- threatening disease that destroys these air sacs. Smokes are also between 12 and 22 times more likely than nonsmokers to develop lung cancer. All forms of tobacco increase the risk of cavities and gum disease. Tobacco dulls the taste buds and can cause stomach ulcers tobacco use is linked to cancers of the mouth, throat, stomach, esophagus, and pancreas. Tobacco use reduces the flow of oxygen to the brain, which can lead to a stroke. Smokers have at least twice the risk of developing bladder cancer as nonsmokers. Smokeless tobacco can also put users at risk of developing bladder cancer. Tobacco use is linked to hear disease. It increases the chances of a heart attack. Smoking also raises blood pressure and heart rate.

Station 3  Nicotine is a drug that causes addiction. An addiction is a mental or physical need for a drug or other substance. Nicotine is an addictive as cocaine and heroin. Anyone who stops using nicotine goes through withdrawal. Withdrawal is the unpleasant symptoms that someone experiences when he or she stops using an addictive substance. During withdrawal from smoking, a person may sleep badly and crave nicotine. He or she may feel moody or nervous or be extra hungry.

Station 4  How does someone become addicted?  First a tobacco user becomes psychologically dependent on a drug. Psychological dependence is a persons belief that he or she needs a drug to feel good or function normally. Most people know that drugs are dangerous. Their need for it outweighs the fear of danger as they connect drug use with feeling relaxed or some type of pleasurable feeling.  A person who uses tobacco quickly develops a physical dependence to the drug. Physical dependence is an addiction win which the body develops a chemical need for a drug. Teens can develop a physical dependence for a drug much more easily than adults can. Their bodies and brains are not fully developed.

Station 5  The Path Of Alcohol In The Body: 1.Alcohol enters the body through the mouth. 2.Alcohol moves to the stomach where some of it gets into the bloodstream before the remainder passes on to the small intestine. 3.Alcohol enters the bloodstream through the walls of the small intestine. 4.The heart pumps alcohol throughout the body. 5.Alcohol reaches the brain. 6.Alcohol moves to the liver. Here, alcohol is converted into water, carbon dioxide and energy.

Station 6  Teens who experiment with alcohol also risk becoming binge drinkers. Binge drinking is the consumption of a large quantity of alcohol in a very short period of time. Although binge drinking is dangerous at any age, it is a special problem for teens.  People who are addicted to alcohol suffer from alcoholism. Alcoholism is a progressive, chronic disease involving a mental and physical need for alcohol. People with alcoholism are alcoholics. The disease affects all parts of an alcoholic’s life- physical, mental, emotional and social. Currently estimated 14 million Americans are alcoholics or have an alcohol abuse problem.

Station 7  Thinking Critically 1.Discuss with your group some ways in which experimenting with any drug can effect each side of the health triangle- Mental/Emotional, Physical, and Social 2.After discussing with your group. Write on your notes few of the ideas you and your group came up with.