Copyright Goodheart-Willcox Co., Inc. Comprehensive Health ix Lesson 6.3 Fitness Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .184 Chapter 6 Review and Assessment . . . . . . . . . . . . . . . . . . . . 192 Chapter 7 Sleep . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 Lesson 7.1 Getting Enough Sleep . . . . . . . . . . . . . . . . . . . . . . . . .198 Lesson 7.2 The Science behind Sleep. . . . . . . . . . . . . . . . . . . . . .203 Lesson 7.3 Common Sleeping Problems . . . . . . . . . . . . . . . . . . . .209 Lesson 7.4 Strategies for Getting the Sleep You Need . . . . . . . . .216 Chapter 7 Review and Assessment . . . . . . . . . . . . . . . . . . . . 222 Chapter 8 Personal Hygiene and Basic Healthcare . . . . . . . . . . . . . . . . 226 Lesson 8.1 Taking Care of Your Skin, Hair, and Nails . . . . . . . . . . .228 Lesson 8.2 Common Skin Problems . . . . . . . . . . . . . . . . . . . . . . .233 Lesson 8.3 Keeping Your Mouth, Eyes, and Ears Healthy . . . . . . .239 Chapter 8 Review and Assessment . . . . . . . . . . . . . . . . . . . . 250 Understanding and Avoiding Hazardous Substances g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254 Chapter 9 Tobacco . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256 Lesson 9.1 The Health Effects of Tobacco . . . . . . . . . . . . . . . . . . .258 Lesson 9.2 Why People Use Tobacco . . . . . . . . . . . . . . . . . . . . . .266 Lesson 9.3 Treating and Preventing Nicotine Addiction . . . . . . . . .272 Chapter 9 Review and Assessment . . . . . . . . . . . . . . . . . . . . 280 Chapter 10 Alcohol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284 Lesson 10.1 How Does Alcohol Impact Your Body?. . . . . . . . . . . . .286 Lesson 10.2 The Effects of Alcohol on Health . . . . . . . . . . . . . . . . .293 Lesson 10.3 Reasons People Use and Abuse Alcohol . . . . . . . . . .300 Lesson 10.4 Strategies for Preventing and Treating Alcohol Abuse . . . . . .306 Chapter 10 Review and Assessment . . . . . . . . . . . . . . . . . . . 312 Chapter 11 Medications and Drugs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316 Lesson 11.1 Medications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318 Lesson 11.2 Drugs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .326 Lesson 11.3 Drug Abuse and Addiction . . . . . . . . . . . . . . . . . . . . . .337 Chapter 11 Review and Assessment . . . . . . . . . . . . . . . . . . . 344 Diseases and Disorders . . . . . . . . . . . . . . . . . . . . . . . . 348 Chapter 12 Infectious Diseases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 350 Lesson 12.1 Infectious Diseases: What You Should Know . . . . . . . .352 Lesson 12.2 Transmission, Treatment, and Prevention of Infectious Diseases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360 Lesson 12.3 Immunity to Infection . . . . . . . . . . . . . . . . . . . . . . . . . .371 Chapter 12 Review and Assessment . . . . . . . . . . . . . . . . . . . 376 Unit 4 Ch C C h h t 12 Unit 5