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Chapter 14 Textbook notes

Chapter 14 Textbook notes - Chapter 14 Substance Abuse and...

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Chapter 14- Substance Abuse and Addiction I. Addiction Addiction - continued involvement with a substance or activity despite ongoing negative consequences Addictive behaviors initially provide a sense of pleasure or stability that the addict cannot achieve in other ways Eventually, the addicted person needs to be involved in the behavior to feel normal To be addictive, a substance or behavior must have the potential to produce a positive mood or change Chemicals are responsible for the most profound addictions because they produce dramatic mood changes and cause cellular changes to which the body adapts so well that it eventually requires the chemical to function normally Other behaviors such as gambling, spending money, working, and sex are behavioral addictions and can also create changes at the cellular levels Addictions are characterized by 4 common symptoms: o Compulsion - excessive preoccupation with the behavior and an overwhelming need to perform it o Loss of control - inability to reliably predict whether any isolated occurrence of the behavior will be healthy or damaging o Negative consequences - physical damage, legal trouble, financial problems, academic failure, or family problems caused by the behavior o Denial - the inability to perceive that the behavior is self-destructive These components are present in all addictions, whether chemical or behavioral II. The Dangers of Alcohol Use and Abuse Alcohol is the most widely used (and abused) recreational drug in our society 50% of Americans consumer alcoholic beverages regularly About 7% are heavy drinkers —those who habitually consume more than 5 drinks in one sitting A. Alcohol Abuse is common on college campuses Alcohol is the most popular drug on college campuses
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Chapter 14- Substance Abuse and Addiction Almost half of college students engage in heavy episodic (binge) drinking Heavy episodic (binge) drinking - drinking for the express purpose of becoming intoxicated o Men- 5 or more drinks in one sitting o Women- 4 or more drinks in one sitting Binge drinking is dangerous because it poses high risks for alcohol related injuries and death Binge drinking is the number one cause of preventable death among undergraduate college students Binge drinking is also very dangerous because it involves drinking a lot of alcohol in a short period of time and can quickly lead to extreme intoxication—resulting in unconsciousness, alcohol poisoning, and even death B. Alcohol profoundly affects the body Alcoholic beverages contain ethyl alcohol or ethanol The way the body absorbs and metabolized ethanol explains why drinking can cause accidents, aggression, and social and personal problems Ethanol molecules are sufficiently small and fat soluble to be absorbed throughout the entire GI system A negligible amount of alcohol is absorbed through the lining of the mouth 20% of ingested alcohol diffuses through the stomach lining into the bloodstream
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Chapter 14 Textbook notes - Chapter 14 Substance Abuse and...

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