| Clue | Source | Date |
|---|---|---|
| Puffs on an e-cig | New York Times Mini | 03 Feb 2024 |
| Draws from a Juul, say | LA Times Daily | 25 Jun 2023 |
| E-cigarettes | USA Today | 24 Feb 2023 |
| Uses an e-cigarette | Universal | 10 Sep 2021 |
| Smokes an e-cig | Eugene Sheffer | 03 Sep 2021 |
| Absorbs nicotine smokelessly | The Washington Post | 03 Jul 2020 |
| Absorbs nicotine smokelessly | LA Times Daily | 03 Jul 2020 |