Unit 1 A Good Heart to Learn On 1
Unit 2 Is There a Doctor in the Body? 27
Unit 3 Bridging Cultural Gaps Gracefully 45
Unit 4 A Merry Christmas 66
Unit 5 Time Spend Agonizing over Money 89
Unit 6 Consumer Behavior of Young People 105
Unit 7 The Secrets of Good Health 143
Unit 8 Latchkey Children—Knock, Is Anybody Home? 181
Unit 9 Transformative Travel 213
Unit 10 Aggression in Humans and Animals 240
Unit 11 What Advertising Does to Us 269
Unit 12 A Diary of the Centrury 289