| Clue | Source | Date |
|---|---|---|
| Icee alternative | ||
| Drink made with syrup | New York Times | 16 Jun 2023 |
| Frozen drink | LA Times Daily | 14 Jul 2022 |
| Drink that can cause brain freeze | New York Times | 16 Feb 2021 |
| Brain freeze triggerer | Wall Street Journal | 16 Feb 2019 |
| Brain freeze triggerer | ||
| Flavored icy drink | The Washington Post | 07 Aug 2018 |
| Flavored icy drink | LA Times Daily | 07 Aug 2018 |
| Flavored icy drink | ||
| Brain freeze cause | Wall Street Journal | 05 Jan 2016 |
| Brain freeze cause | ||
| Drink that might cause brain freeze | New York Times | 15 Mar 2015 |
| Drink that might cause brain freeze |