Historical clue formulations

• Estrogen or testosterone — 2024-01-08
• Estrogen or testosterone — 2021-07-04
• Subject of interest to an endocrinologist — 2020-04-21
• Mood influencer — 2019-06-15
• Certain steroid — 2013-09-10
• ACTH or thyroxine — 1998-06-14
• Insulin, e.g. — 1997-03-23
• Steroid, for instance — 1994-12-18