| | The Riddle of Anxiety | |
| | The Nature of Anxiety | p. 3 |
| | What Do We Talk About When We Talk About Anxiety? | p. 32 |
| | A History of My Nervous Stomach | |
| | A Rumbling in the Belly | p. 65 |
| | Performance Anxiety | p. 96 |
| | Drugs | |
| | "A Sack of Enzymes" | p. 151 |
| | A Brief History of Panic; or, How Drugs Created a New Disorder | p. 179 |
| | Medication and the Meaning, of Anxiety | p. 200 |
| | Nurture Versus Nature | |
| | Separation Anxiety | p. 229 |
| | Worriers and Warriors: The Genetics of Anxiety | p. 262 |
| | Ages of Anxiety | p. 295 |
| | Redemption and Resilience | |
| | Redemption | p. 313 |
| | Resilience | p. 328 |
| | Acknowledgments | p. 339 |
| | Notes | p. 343 |
| | Bibliography | p. 365 |
| | Index | p. 385 |