Glencoe Health 2005.pdf

Thinking critically 1 evaluating the fda regulates

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THINKING CRITICALLY 1. Evaluating. The FDA regulates what manufacturers can say in advertisements for both prescription and OTC medicines. Do you think that such regulation is necessary? Support your answer. 2. Analyzing. What is the relationship between drug use and harmful situations such as violent crimes, HIV and STDs, unplanned pregnancies, and motor vehicle collisions? 3. Evaluating. Marijuana use lowers the level of testosterone in males. How might this fact affect a teen male’s development? 4. Synthesizing. In what ways are stimulants and depressants different? In what ways are they similar? 5. Summarizing. The commitment to be drug free can help in achieving personal goals. Make a list of your personal goals.Analyze the importance of alterna- tives to drug use to help you reach your goals. HS_HEALTH_U07_C23_CR 1/30/04 2:02 PM Page 619
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What Are Communicable Diseases? Preventing Communicable Diseases Common Communicable Diseases Communicable Diseases 620 HS_HEALTH_U08_C24_CO 12/8/03 5:22 PM Page 620
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621 Using Visuals . To avoid spreading disease, rest, drink plenty of fluids, and stay home when you are ill. What other measures can you take to prevent the spread of communicable diseases? Make this Foldable to help you organize what you learn about communicable diseases. Begin with two sheets of 8 1 / 2 x 11 paper. Stack two sheets of paper with the short edges 1 1 / 2 apart. Roll the bottom edges of the paper up so that the bottom edges are 1 1 / 2 from the top edges. Fold and staple to hold the tabs in place. Label as shown. As you read and discuss the material in the chapter, use your Foldable to record supporting facts under the appropriate tabs. Before You Read Communicable Diseases Causes of Communicable Diseases How Communicable Diseases Are Transmitted Preventing the Spread of Disease As You Read HS_HEALTH_U08_C24_CO 12/8/03 5:23 PM Page 621
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VOCABULARY communicable disease pathogen infection viruses bacteria toxin vector What Are Communicable Diseases? YOU’LL LEARN TO Identify the types of pathogens that cause communicable diseases. Analyze the relationship between healthful behaviors and the ways that communicable diseases are spread. Develop and analyze strategies related to the prevention of communicable diseases. Write about the last time you had a cold. Include a list of the symptoms you experienced. Explain how you think you caught the cold and what you did to treat it. 622 Chapter 24 Communicable Diseases ost of us don’t spend much time thinking about micro-organ- M isms, but they often impact our lives. Although most microorganisms—living things too small to be seen without a microscope—are harmless, a few, such as the viruses shown on this page, can cause communicable diseases. A is a disease that is spread from one living thing to another or through the environment. Knowing how communicable diseases spread can help you choose behaviors to reduce your risk of getting them.
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