| Clue | Source | Date |
|---|---|---|
| Using an e-cigarette | New York Times | 05 Nov 2023 |
| Alternative to smoking | The Guardian Quick | 05 Sep 2023 |
| One way to kick the habit by wrapping kicking strap round compiler's middle | ||
| Modern activity banned in most high schools | New York Times | 15 Sep 2019 |
| Modern activity banned in most high schools | ||
| Smoking an e-cig | USA Today | 19 Oct 2016 |
| Smoking an e-cig |