Historical clue formulations

• Heartburn — 2026-06-14
• Feeling of distress — 2026-03-08
• State of unease — 2025-06-08
• Uneasy feeling — 2023-03-09
• Aggravation — 2023-02-26
• Feeling of anxiety — 2022-10-17
• Anxiety — 2020-06-14
• Feeling of anxiety — 2020-03-16
• Nervous stress — 2019-11-17
• Unsettled feeling — 2019-07-13
• Result of stress, maybe — 2018-10-25
• Feeling of anxiety — 2017-07-12
• Aggravation — 2017-04-30
• Unsettled feeling — 2016-09-26
• Unease — 2015-06-16
• Gut feeling? — 2014-07-27
• Heartburn — 2013-12-20
• Uneasy feeling — 2013-08-05
• Gut reaction? — 2011-02-25
• Antsy feeling — 2009-09-15
• Gut feeling? — 2006-02-19
• Unease — 2002-09-22
• Heartburn — 2002-02-03
• Heebie-jeebies — 1994-11-15