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Alcohol: Effects on the Body and Behavior
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Overview: Definitions Statistics on teen drinking
Short- and long-term effects of alcohol Blood alcohol levels Introduction to fetal alcohol syndrome (FAS)
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“Drinker” Definitions(1)
Binge drinking: Four or more drinks for a female and five or more drinks for a male at one sitting Click to see data on binge drinking in your state Before one can get into the effects of alcohol, it is important to know what consumption actually means. There are different degrees of alcohol consumption. Students might have heard about binge drinking. Any occasion where four (for women) and five (for men) or more drinks are consumed at one sitting is considered binge drinking, and it often raises the blood alcohol level very quickly. Clicking on the provided link will take you to the CDC’s Behavioral Risk Factor Surveillance Survey (BRFSS) Trend Data Web site. Select “Alcohol Use: Binge Drinking” from the “Negative Behavior/Circumstance” and select your state (or select “Nationwide”) and click go to see a graph of binge drinking by age group in your state from Graphic Reference: Microsoft Office Clipart [cited 23 June, 2005].
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What is a drug? A drug is any substance that alters the body or mind.
Does that make alcohol a drug?
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“Drinker” Definitions(2)
Chronic drinking: Daily or almost daily alcohol consumption (60 drinks per month) Click here to see data on chronic drinking in your state As chronic implies, this is a long term and on-going issue. Drinking becomes a daily habit. Click on the Chronic Drinking in Your State link to display a graph of chronic drinking by age group from Choose the risk factor “chronic drinking” and your state. Clicking on the provided link will take you to the CDC’s Behavioral Risk Factor Surveillance Survey (BRFSS) Trend Data Web site. Select “Alcohol Use: Chronic Drinking” from the “Negative Behavior/Circumstance” and select your state (or select “Nationwide”) and click go to see a graph of chronic drinking by age group in your state from This data tracks a wide range of age groups; however, students should be aware that age 18, the lowest in the survey, is an illegal age to drink alcohol in the United States. Graphic Reference: Microsoft Office Clipart [cited 23 June, 2005].
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Statistics on Teen Drinking(3)
Monitoring the Future (MTF) reported that in 2004, nearly one in five 8th graders, more than one in three 10th graders, and nearly one in two 12th graders had a drink in the past month. Now that we know the definitions of drinking, we will look at some statistics on teen drinking. The Center on Alcohol Marketing and Youth conducted an executive survey regarding teen alcohol use in the United States and issued a status report in Two national public health surveys tracked underage drinking. Monitoring the Future collected data in schools for Substance Abuse and Mental Health Data Archive (SAMHDA) through University of Michigan. They found that in the year 2004, nearly one in five 8th graders, more than one in three 10th graders, and nearly one in two 12th graders had a drink in the month prior to the survey. Graphic Reference: Microsoft Office Clipart [cited 23 June, 2005].
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Teen Statistics (cont.)(4)
From National Survey on Drug Use and Health (2003): 10.9 million users ages 12-20 7.2 million “binge drinkers” The National Survey on Drug Use and Health (NSDUH) reported that in 2003 approximately 10.9 million underage youth, ages 12 to 20, reported they consumed alcohol in the month prior to the survey. Nearly 7.2 million underage youth also reported binge drinking, where binge drinking is defined as drinking five or more drinks on a single occasion at least once in the past 30 days. Graphic Reference: Microsoft Office Clipart [cited 23 June, 2005].
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Short-term Effects(5,6) Slower reaction times/reflexes Heavy sweating
Blurry vision Nausea and vomiting Lowered reasoning ability Statistics show that there is alcohol consumption among teens; therefore, they should be familiar with what alcohol can do to the body and behavior. As you move through each of these effects, take time to solicit examples from the students. An example of slower reaction time/reflexes might involve a person that has been drinking trying to catch a ball. Hand-eye coordination might not be as quick for someone who has been drinking. So someone who has been drinking might not catch the ball when it is thrown to them as easily as they would otherwise. Since alcohol irritates the lining of the stomach and intestinal lining, nausea and vomiting are common occurrences. There is a danger of choking on vomit, which could cause death by asphyxiation if the person is unconscious. Lowered reasoning ability might involve someone taking risks that they normally would not take. For example, they may leave a party with a stranger. Graphic Reference: Cool Archive-Free Clipart, Fonts, Icons [online] [cited 4 July 2005] Available online at URL:
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Short-term Effects (cont.)(5,6)
Poor motor coordination Slower heart rate/breathing rate Increased blood pressure Anxiety/restlessness Lower inhibition The characteristics of poor motor skills can be seen in a task as simple as walking. Alcohol will decrease the ability of a person to walk in a straight line and might even cause him/her to fall. Poor motor skills might also lead to driving accidents. Alcohol acts as a depressant and slows the heart rate. It also interferes with normal contraction and rhythm of the heartbeat. These effects are thought to be major reasons for sudden death among alcoholics.(6) Increased blood pressure, or hypertension, is associated with chronic drinking and usually goes away two to three weeks after drinking has stopped. Mood swings might be noticed, with anxiety and restlessness being at the top of the list. Lower inhibitions might lead a teen to do things he or she would not normally do, which could put them in a compromising or dangerous situation. Risky behavior, such as unprotected sex, might result. They might also have poor judgment.
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Short-term Effects (cont.)(5,6)
Mental confusion Memory loss Coma Death from respiratory arrest When alcohol is consumed at a faster rate than the liver can absorb, it moves into areas of high water content in the body, for example, the brain. It can cause mental confusion and memory loss. Drinking causes some people to “not remember” their evening. In larger doses, alcohol can affect the medulla oblongata, which is responsible for basic survival functions, such as heart rate and breathing. Respiratory arrest occurs when a person stops breathing.
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Long-term Effects(5,6) Nervous system Muscles Lungs Liver
Chronic use of alcohol can lead to long term effects on the body. As synapses and transmitters are affected in the nervous system, loss of sensation in hands and feet occur. The muscles of the body become weak, and lungs have a greater chance for infection as the immune system becomes less responsive. The liver receives blood directly from the intestines, which is the major site for absorption of alcohol. The liver breaks down the alcohol; however, the products that are produced during this process are toxic to the liver. This can cause liver damage in the form of inflammation or cirrhosis (scarring of the liver).(5,6) Graphic Reference: Cool Archive-Free Clipart, Fonts, Icons [online] [cited 4 July 2005] Available online at URL:
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Long-term Effects (cont.)(5,6)
Sexual organs Brain Heart Esophagus/stomach Although sexual desire is enhanced, impotence could be a long term result with the use of alcohol. Alcohol affects all parts of the brain and can result in brain cell damage. Loss of memory occurs with impairment of the hippocampus, which is the part of the brain responsible for storing new memories. Damage to the cerebral cortex will lead to lack of coordination while damage to the cerebellum will affect mood. Finally, damage to the brain stem may result in lack of normal body functions and regulations, such as breathing, heart rate and body temperature. Long term affects of heavy drinking may interfere with the mitochondria of the heart cells. These are the energy producing organelles and without proper energy, the heart does not function as normal. Hypertension is also a problem for the chronic drinker and could possibly lead to a stroke. The esophagus normally contracts and relaxes allowing food to move to the stomach. Alcohol inhibits this contraction which allows stomach acids to move into the esophagus causing irritation. It might also be a factor in gastritis. Scientist are currently undergoing studies to determine if alcohol or bacteria are the major cause of ulcers in alcoholics.(5,6)
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Chapter 10 Section 1 Alcohol Affects the Body
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A picture is worth a thousand words
A picture is worth a thousand words. In this diagram, students can see just how much the body is affected by the use of alcohol. Graphic used with permission from: Beaware. Alcohol [online]. [Cited 20 June 2005]. Available at URL:
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Alcohol has different effects at different BACs.
Blood alcohol concentration (BAC) is the amount of alcohol in a person’s blood expressed as a percentage. Alcohol has different effects at different BACs.
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What else does alcohol affect?
Your emotions Your mood Your thought process Your ability to make decisions Your urges Your awareness
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Blood Alcohol Level: What’s It All About?(6)
Blood alcohol level (BAL) depends on: Weight Amount of food and water in stomach Carbonated alcoholic beverages Gender Now that we know the effects of alcohol on our brain and body, how is alcohol measured in the body? Blood alcohol level or concentration is associated with the rate at which alcohol is metabolized by the liver. The higher the alcohol level in the blood, the more intoxicated a person will be. As the liver removes the alcohol from the blood and processes it, the blood alcohol level will drop. Here are some factors that effect BAL: Weight: The larger a person, the lower the blood alcohol level will be for a given amount of alcohol consumed. Amount of food and water in the stomach: Food will slow the absorption of the alcohol into the blood stream, resulting in a lower blood alcohol level. Carbonated alcoholic beverages: Carbonation speeds up the absorption of alcohol into the blood stream. Gender: Females tend to be smaller than males and also have a higher fat concentration in body tissues. More fat means less water. Alcohol is soluble in water, so in males the alcohol is more evenly distributed throughout the body creating a lower blood alcohol level. A woman will have a higher blood alcohol level after consuming the same amount of alcohol. Graphic Reference: Cool Archive-Free Clipart, Fonts, Icons [online] [cited 4 July 2005] Available online at URL:
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Blood Alcohol Level Calculations(7)
BAL = (150/body weight) x (%alcohol/50) x (ounces consumed) x (0.025) There are several factors involved in calculating blood alcohol levels. First, you need to know the weight of the individual in pounds. You also need to know the percent of alcohol. This can be found on the bottle as proof. If the proof is 100, then the percent is 50. If it is 80 proof, the percent is 40. Beer has an alcohol content of 3-6%, wine 9-14%, and hard liquor greater than 14%. Finally you need to know the ounces consumed. In most cases, the Blood Alcohol Content (BAC) is expressed without units in a form like the following: "the driver has a BAC of 0.18 at the time of the accident." This really means that the driver had 0.18 grams of ethanol per 100 milliliters of blood. Remember that this is grams of the actual chemical ethyl alcohol, not grams of actual beverage. Graphic Reference: Cool Archive-Free Clipart, Fonts, Icons [online] [cited 4 July 2005] Available online at URL:
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Blood Alcohol Level Example
175 pound man drinks four 12-ounce cans of beer with 4% alcohol content BAL = (150/175) x (4/50) x (48) x (0.025) =.86 x .08 x 48 x .025 = .08% Basically, there are lots of numbers but this is an easy calculation to do. For example, if a 175 pound man drinks four 12 ounce cans of beer, what will his blood alcohol level be? First we take 150 divided by his weight in pounds, which is We multiply by the percent alcohol found in beer divided by 50. As noted before, most beers range from 3-6%. This particular beer was 4%. Next multiply by the ounces consumed. Four cans multiplied by 12 ounces is 48. And finally multiply by This gives him a total blood alcohol level of .08% which means that he currently has .08 grams of ethyl alcohol per 100 mL of blood circulating through his body and his brain. So at what level do we start to see the short term effects?
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Blood Alcohol Levels: So What?(8)
BAL = 0.03 to 0.12 (Euphoria) Self-confident/daring Short attention span Poor judgment Fine motor skills impaired At blood alcohol levels of 0.03 to 0.12, the drinker is in a state of euphoria. This is the beginning stage where self confidence increases, and the drinker feels good about him/herself. The drinker could also exhibit a short attention span, poor judgment, and have trouble with his/her fine motor skills. (8) All of these effects were discussed in the short term effects earlier in the slide show.
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Blood Alcohol Levels(8)
BAL = 0.09 to 0.25 (Excitement) Sleepy Memory loss Reaction time decreased Uncoordinated/loss of balance Blurry vision and impaired senses At the upper edge of euphoria, around 0.09, the drinker heads into a stage known as excitement. The stage name does not support the characteristics since the drinker becomes sleepy and slow. Reaction time is decreased, which could make driving or operating machinery a hazard. The drinker looses coordination and may become unbalanced. He/she may also experience blurry vision and impaired senses, becoming numb around the face area.(8)
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Blood Alcohol Levels(8)
BAL = 0.18 to 0.30 (Confusion) Confused/dizzy Highly emotional Cannot see/slurred speech Uncoordinated/sleepy May not feel pain as easily At the upper edge of excitement, at around 0.18, the drinker may become confused and highly emotional. Slurred speech is a common characteristic at this level. They continue to be sleepy and uncoordinated and might not feel pain as easily.
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Blood Alcohol Levels(8)
BAL = 0.25 to 0.40 (Stupor) Can barely move at all Cannot respond to stimuli Cannot stand or walk Vomiting Lapse in and out of consciousness Moving up the blood alcohol ladder leads to stupor. At this point, the drinker basically cannot perform normally and could become ill and even pass out.(8)
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Blood Alcohol Levels(8)
BAL = 0.35 to 0.50 (Coma) Unconscious Reflexes depressed Decreased body temperature Decreased breathing rate Decreased heart rate Could die The last level is known as alcohol poisoning and could lead to death. The alcohol affects the brain stem, as well as other basic body functions. Breathing, heart rate, and body temperature might not be regulated, which could lead to a coma.(8)
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Blood Alcohol Levels(8)
BAL = Greater than 0.50 (Death) Breathing stops That says it all! At blood alcohol levels greater than 0.50, death occurs.(8) Since most students associate blood alcohol levels with drinking and driving, this is a good time to introduce some blood alcohol limits regulated by law.
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Driving Limits(6) Most states set the legal level of
intoxication at 0.08 to 0.10 One area regulated by law is the blood alcohol driving limit. Currently, half of the states in the US have 0.08 BAL and the other half have 0.10 BAL. This level of intoxication relates to the blood alcohol level of the driver.(6) If the driver’s blood alcohol level tests at 0.08 in some states, then the driver is considered legally intoxicated and can be cited with a DUI (Driving Under the Influence). In other states, blood alcohol levels of 0.10 define whether the driver is legally intoxicated or not. Graphic Reference: Microsoft Office Clipart [cited 23 June, 2005].
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How does the media present alcohol?
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ASSESSMENT Create your own alcohol advertisement in the paint program
Make it a realistic advertisement of what happens to you under the influence of alcohol Show the real short and long term effects of alcohol it to me by the end of the period
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Drinking is a Personal Choice but Who Else is Affected?
Friends and family Strangers Unborn babies – Fetal alcohol syndrome Drinking may be a personal choice, but it affects more than just you. For example strangers may be affected through accidents. Statistics from the US Department of Transportation include: Alcohol was involved in 39% of fatal crashes in 1997. About 3 in every 10 Americans will be involved in an alcohol-related crash in their lifetime. In 1997, the highest rates for fatal crashes while intoxicated involved persons years of age. One third of all pedestrians 16 years or older killed in traffic crashes in 1997 were intoxicated.(6) Drinking lowers inhibitions and increases risky behavior. Teens might engage in unprotected sex while under the influence, which could lead to unplanned pregnancy. If a woman drinks while pregnant, it could lead to fetal alcohol syndrome. Graphic Reference: Microsoft Office Clipart [cited 23 June, 2005].
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What is Fetal Alcohol Syndrome?
When mother drinks, baby drinks Alcohol disrupts brain development Your turn to research! Now that we have discussed the effects of alcohol on your body, as well as others around you, we can discuss FAS. The fetus is fed through the placenta so every time the mother drinks, the alcohol is passed to the baby. Fetal exposure to alcohol can impair the development of the corpus callosum, which divides the brain into left and right halves, and lead to smaller brain size. The brain is developing all through the pregnancy so there is no safe time to drink. There may also be some developmental delays, poor coordination, hyperactivity and abnormal facial features. The child’s IQ could also be lower. There is no known safe amount of alcohol consumption during pregnancy; therefore, no alcohol consumption is recommended.(5) Students will gain a greater understanding of FAS through research on Web sites in the next activity.
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Looking Back Drinking has various definitions
Binge and Chronic Drinking can have short- and long-term effects Slower reaction times Memory loss Nervous system/liver problems Now we have a better idea of the different types of drinking behavior, including binge drinking and chronic drinking. Drinking does have both short and long term effects on the body and behavior, for example, slower reaction times, memory loss, and problems with the nervous system and liver disease.
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Looking Back (cont.) Blood alcohol levels are affected by
weight and gender Drinking is a personal choice, but it can affect those around you Alcohol is measured using a calculation known as blood alcohol levels, which measures the percent alcohol present in the blood stream. Blood alcohol levels are affected by several factors and are associated with certain behaviors and characteristics. Drinking is a personal choice, but now it will be an informed choice.
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What Is Alcoholism? Alcohol abuse is drinking too much alcohol, drinking it too often, or drinking it at inappropriate times. Alcoholism is a disease that causes a person to lose control of his or her drinking behavior. Alcoholics are physically and emotionally addicted to alcohol, and suffer painful symptoms when they do not have alcohol.
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Alcoholism Develops in Stages
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Risk factors for alcoholism include: Age Social environment Genetics
Alcoholism Develops in Stages Risk factors for alcoholism include: Age Social environment Genetics Risk-taking personality
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Alcoholism Develops in Stages
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Families of alcoholics may suffer from the following:
Alcoholism Affects the Family Families of alcoholics may suffer from the following: Guilty feelings Unpredictable behavior Violence Neglect and isolation Protecting the alcoholic Ignoring one’s own needs
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Alcoholism Affects the Family
Enabling means helping an addict avoid the negative consequences of his or her behavior. Codependency is the condition in which a family member or friend sacrifices his or her own needs to meet the needs of an addict. Fetal alcohol syndrome (FAS) is a set of physical and mental defects that affect a fetus that has been exposed to alcohol because of the mother’s alcohol consumption while pregnant.
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There are many treatment options for alcoholics.
Alcoholism Can Be Treated There are many treatment options for alcoholics. Alcoholics Anonymous (AA) is the most widely used program. It involves a 12-step recovery method and regular meetings. Al-Anon and Alateen provide treatment and support for people with alcoholics in their family. Copyright © by Holt, Rinehart and Winston. All rights reserved.
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Motor vehicle accidents are the leading cause of death among teens.
Drinking and Driving: A Deadly Combination Motor vehicle accidents are the leading cause of death among teens. Many of these accidents are alcohol-related. Alcohol impairs driving through the following means: Slows your reaction time Affects your vision Makes you drowsy Reduces your coordination Affects your judgment
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Alcohol use is illegal for people under 21.
Drinking and Driving: A Deadly Combination Alcohol use is illegal for people under 21. Driving under the influence (DUI) applies to anyone with a BAC above 0.08. The law has zero tolerance for anyone under 21 driving with any amount of alcohol in their blood.
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To avoid getting in dangerous situations with an intoxicated driver:
Drinking and Driving: A Deadly Combination To avoid getting in dangerous situations with an intoxicated driver: Don’t drink Plan ahead: pick a designated driver Make arrangements with a parent for a ride Call a cab
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Studies on Teen Drinking
So drinking relates to various short term and long term effects on the body. It could also have a long term effect in the sense that it could affect your future by decreasing brain function during prime learning periods. A study was performed on teens and drinking. Susan Tapert illustrates that drinking might harm the ability of a teen’s brain to process information. This slide shows brain activity of a 15 year old with an alcohol problem versus the brain activity of a non-drinking 15 year old. The pink shows brain activity. It is clear that the teen who does not drink has much more activity. Study published and permission granted for use in this PowerPoint by Susan Brown. Brown SA, Tapert SF, Granholm E, Delis DC (2000). Neurocognitive functioning of adolescents: effects of protracted alcohol use. Alcoholism: Clinical and Experimental Research. 24 (2): [Cited 20 June 2005].
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Studies on Teen Drinking
This is a continuation of the study on brain activity of teens drinking alcohol. Recall tests were done and the results were clear that alcohol does effect recall. School and life are based on recall. Study published and permission granted for use in this PowerPoint by Susan Brown. Brown SA, Tapert SF, Granholm E, Delis DC (2000). Neurocognitive functioning of adolescents: effects of protracted alcohol use. Alcoholism: Clinical and Experimental Research. 24 (2): [Cited 20 June 2005].
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Drinking Puts Your Future at Risk
Drinking and Jail You can be sent to jail for trying to buy alcohol, possessing alcohol, possessing a fake ID, or for drinking in a public place. Drinking and Sexual Activity The impaired judgment from drinking can put you at risk of any of the dangers of unplanned sexual activity.
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Drinking Puts Your Future at Risk
Drinking and Diving Alcohol plays a role in more than 38 percent of drowning accidents in the U.S. Drinking and Teen Brains Alcohol use affects the rapidly developing brains of teens.
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Saying No to Alcohol The best way to avoid alcohol is to stay away from people who drink and places where people are drinking. You should practice ways of saying “No” so you will be prepared when someone offers you a drink.
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The next slide reminds you of ways to build your self-esteem.
Building Self Esteem A healthy self-esteem helps you resist pressure to do things you know are unhealthy. The next slide reminds you of ways to build your self-esteem.
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The next slide provides a review of your refusal skills.
Saying No to Alcohol Practicing your refusal skills makes it easier to refuse alcohol if it is offered to you. The next slide provides a review of your refusal skills.
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Making GREAT Decisions
Use the Making GREAT Decisions model, shown on the next slide, to make good choices.
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Building Resiliency Being offered alcohol can be a stressful situation. Resilient people continue to be optimistic when life gets tough. The next slide provides eight skills to help build your resiliency.
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Joining the Fight Against Drunk Driving
Two organizations that spread information and work to end problems with drunk driving are: Mothers Against Drunk Driving (MADD) Students Against Drunk Driving (SADD)
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