• A 1940s FDA poster advertising “Vitamin Donuts” was cited as evidence that fortified snack foods were once promoted, yet are now effectively banned, illustrating shifting regulatory attitudes toward public-health food modification.  
• Concern was raised that heat-sensitive vitamins such as thiamine (B1) are largely destroyed during high-temperature frying, questioning the practical efficacy of vitamin-enriched fried products.  
• Discussion referenced the historical patchwork of U.S. state-level flour-enrichment mandates (26 states in the mid-20th century) and questioned whether such mandates remain legally enforceable today, with a pointer to the NCBI book “Nutrition and Traumatic Brain Injury” for background.  
• A consumer-safety incident report (ID 4013917 on SaferProducts.gov) was highlighted as a case study of “new-type sensitivities,” prompting calls for more rigorous scientific investigation into non-obvious environmental triggers.  
• The possibility that ultrasound exposure caused reported symptoms was considered and then rejected on the grounds that the affected individual was in an adjacent room, narrowing the list of plausible mechanisms.  
• An interactive visualization of 21 million PubMed biomedical papers (hosted at static.nomic.ai/pubmed.html) was shared as a resource for large-scale literature exploration and meta-research.