xi Lesson 8.4 Developing a Personal Physical Activity Plan. . . . . . . . . . . . . . . . . . . . . . . 261 Chapter 8 Review and Assessment. . . . . . . . . . . . . . . 269 Unit 4 Tobacco, Alcohol, and Other Drugs. . . . . . . . . . . . . . . . . . . . . . . . 272 Chapter 9 Tobacco and Vaping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274 Lesson 9.1 Tobacco Products and Your Health . . . . . 276 Lesson 9.2 Understanding Tobacco Use . . . . . . . . . . . 287 Lesson 9.3 Preventing and Treating Tobacco Use . . . . 295 Chapter 9 Review and Assessment. . . . . . . . . . . . . . . 303 Chapter 10 Alcohol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306 Lesson 10.1 The Effects of Alcohol . . . . . . . . . . . . . . . . . 308 Lesson 10.2 Preventing and Treating Alcohol Use . . . . 320 Chapter 10 Review and Assessment. . . . . . . . . . . . . . . 329 Chapter 11 Medications and Drugs. . . . . . . . . . . . . . . . . . . . . . . . . . . 332 Lesson 11.1 Medication Use and Abuse . . . . . . . . . . . . 334 Lesson 11.2 Drug Abuse. . . . . . . . . . . . . . . . . . . . . . . . . . 343 Lesson 11.3 Preventing and Treating Medication and Drug Abuse . . . . . . . . 354 Chapter 11 Review and Assessment. . . . . . . . . . . . . . . 363 Unit 5 Protecting Your Physical Health and Safety. . . . . . . . . . . . . . . . . . . . . . 366 Chapter 12 Understanding and Preventing Diseases. . . . . . . . . 368 Lesson 12.1 Communicable Diseases. . . . . . . . . . . . . . 370 Lesson 12.2 Noncommunicable Diseases. . . . . . . . . . 377