| 1 | Schelling had spent years trying to kick his tobacco addiction. | |
| 2 | Why do people overeat, or smoke or drink in the first place? | |
| 3 | "Cigarette addiction was stronger than any rational aspect of the illness," Mr. Rorandelli said. | |
| 4 | Optimists also were also less likely to have high blood pressure, diabetes or smoke cigarettes. | |
| 5 | Another study found that people with these genes get addicted more easily and smoke more. |