Historical clue formulations

• Medical breakthrough — 2024-03-11
• Medical breakthrough — 2024-02-13
• Remedy — 2024-01-01
• Salt or smoke — 2023-02-04
• Add salt to, say — 2022-03-06
• It's good for what ails you — 2021-12-20
• Prepare, as prosciutto — 2021-08-25
• Snake oil, purportedly — 2021-06-13
• Preserve, in a way — 2021-01-24
• Medical breakthrough — 2020-11-17
• Medical breakthrough — 2020-08-02
• Antidote — 2020-05-05
• Goal of cancer research — 2018-10-15
• Medical breakthrough — 2018-08-12
• Add salt to, maybe — 2018-01-14
• Medical research goal — 2017-10-10
• Quinine, for malaria — 2017-05-26
• Antidote — 2016-10-23
• Successfully treat — 2016-10-11
• Smoke or salt — 2014-08-13
• Purpose of many a shot — 2014-02-15
• Medical breakthrough — 2013-10-06
• ___-all — 2010-08-15
• Medical success — 2010-06-07
• Fix — 2010-01-13
• Smoke, e.g. — 2009-01-09
• Salt or smoke — 2008-07-17
• Bug zapper? — 2008-03-07
• Make perfect again — 2008-01-08
• Doctor — 2007-03-31
• Solution — 2007-02-22
• Smoke or salt, maybe — 2006-09-12
• Medical breakthrough — 2004-01-05
• Medical discovery — 2002-10-10
• Pickle — 2001-06-15
• Medical breakthrough — 2001-04-23
• Relief — 2001-03-17
• Fix — 2000-08-17
• Quinine, for malaria — 1999-03-13
• Make jerky — 1998-08-30
• Treat successfully — 1998-06-17
• Pickle — 1998-03-04
• Smoke, perhaps — 1998-02-05
• Salt, perhaps — 1997-10-26
• Snake oil, purportedly — 1997-07-13
• Make jerky? — 1997-07-04
• Remedy — 1996-10-17
• Remedy — 1995-11-26
• Parish V.I.P. — 1995-06-01
• Medical researcher's goal — 1995-02-27