viii Health Science: Concepts and Applications Copyright Goodheart-Willcox Co., Inc. Chapter 7 Disease . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 What Is a Disease? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 Classifi cation of Diseases by Cause . . . . . . . . . . . . . . . . . . . . 206 Leading Causes of Death in the United States . . . . . . . . . . . . 216 Medical Specialties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227 Emerging Diseases and Disorders . . . . . . . . . . . . . . . . . . . . . 228 Biotechnology Research to Fight Disease . . . . . . . . . . . . . . . 230 Global Disease Prevention and Cost Containment . . . . . . . . . 233 Chapter 7 Review and Assessment . . . . . . . . . . . . . . . . . . . . 234 Unit 2 Cumulative Review . . . . . . . . . . . . . . . . . . . . . . . . . . 236 Unit 3 Critical Concepts in the Healthcare World . . . . . . . . 238 Chapter 8 Health and Wellness . . . . . . . . . . . . . . . . . . . . . . . . . . 240 Physical Health . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242 Mental and Emotional Health. . . . . . . . . . . . . . . . . . . . . . . . 247 Social Health . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256 Spiritual Health . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Managing Stress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259 Disease Prevention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262 Community Health Resources . . . . . . . . . . . . . . . . . . . . . . . 264 Health Literacy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265 Alternative Health Practices and Therapies . . . . . . . . . . . . . . 266 Chapter 8 Review and Assessment . . . . . . . . . . . . . . . . . . . . 268 Chapter 9 Lifespan Development . . . . . . . . . . . . . . . . . . . . . . . . 270 Human Growth and Development . . . . . . . . . . . . . . . . . . . . 272 The Stages of Life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273 Specialties Related to Life Stages . . . . . . . . . . . . . . . . . . . . . 287 Chapter 9 Review and Assessment . . . . . . . . . . . . . . . . . . . . 288