A quick web search brought this: * https://pmc.ncbi.nlm.nih.gov/articles/PMC3441937/ https://pmc.ncbi.nlm.nih.gov/articles/PMC3441937/ * https://oehha.ca.gov/

A quick web search brought this: * https://pmc.ncbi.nlm.nih.gov/articles/PMC3441937/ https://pmc.ncbi.nlm.nih.gov/articles/PMC3441937/ * https://oehha.ca.gov/sites/default/files/media/downloads/risk-assessment/report/healthefftsassess041621.pdf https://oehha.ca.gov/sites/default/files/media/downloads/ris... * https://www.medicalnewstoday.com/articles/red-dye-40-adhd https://www.medicalnewstoday.com/articles/red-dye-40-adhd