Thank you, this led me down a really interesting rabbithole about age-related dementia and anticholinergic substances. Best tidbits:

1: "Anticholinergic Accumulation: A Slumbering Interaction between Drugs and Food Supplements" https://onlinelibrary.wiley.com/doi/full/10.1111/bcpt.12437

2: Chart of medicines with high ACB scores (higher is worse) - you will recognize some of these, such as allergy and anti-nausea meds: (pdf warning) https://corumpharmacy.com/wp-content/uploads/2020/08/Anticho...