Glencoe Health 2005.pdf

Associate risk taking with consequences such as

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Associate risk-taking with consequences such as drinking and driving. Recognize the dangers of alcohol/drug interactions. Demonstrate refusal strategies concerning alcohol use. tatistics confirm that drinking alcohol is a high-risk behavior. S Nevertheless, some teens feel pressured to drink alcohol. Finding out about the physical effects alcohol has on the body can help you strengthen your commitment to staying alcohol free. Short-Term Effects of Drinking he short-term effects of alcohol are different for each individ- T ual. Many of these effects are described in Figure 22.1. Some factors that influence the onset of these effects include: Body size and gender. A small person feels the effect of the same amount of alcohol faster than a large person does. In general, alcohol moves into the bloodstream faster in females. Food. Food in the stomach slows down the passage of alcohol into the bloodstream. Amount and rate of intake. As the amount of alcohol consumed increases, the level of alcohol in the bloodstream also rises. When a person drinks alcohol faster than the liver can break it down, intoxication results. When blood alcohol levels become too high, alcohol poisoning can occur. Make a list of all the organs in the body you can think of that are affected by alcohol use. Make a word web of your ideas with the term “alcohol use” in the center. 568 Chapter 22 Alcohol Many over-the-counter and prescription drugs carry warning labels about alcohol interactions. Analyze how these warn- ings help protect users from health risks. HS_HEALTH_U07_C22_L2 12/8/03 1:11 PM Page 568
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S HORT -T ERM E FFECTS OF A LCOHOL Physical and mental impairment begin with the first drink of alcohol and increase as more alcohol is consumed. Nervous System Brain. The brain becomes less able to control the body. Movement, speech, and vision may be affected. Memory. Thought processes are dis- organized, and memory and concentration are dulled. Judgment. Judg- ment is altered and coordination is impaired. Alcohol and Drug Interactions nteractions between medications and alcohol can lead to I illness, injury, and even death. In fact, alcohol-drug interactions are a factor in about one-fourth of all emergency room admissions. To understand why these interactions occur, you must understand how the body works. When a drug enters the body, it travels through the bloodstream to its target organ or tissue. Over time, the body metabolizes the drug. is the process by which the body breaks down substances. Alcohol travels through the blood- stream to the brain. At the same time, the liver metabolizes the alcohol in the bloodstream and makes it less active. Then the kidneys filter the neutralized particles and other waste products from the blood and produce urine, which is excreted.
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