evidence: Cannabis use and measurement of cannabinoids in plasma and breast milk of breastfeeding mothers - PMID: 33469174 - DOI: 10.1038/s41390-020-01332-2 [...] Background: Information on cannabinoids in breast milk and maternal cannabis use is limited. We quantified cannabinoids in plasma and breast milk of breastfeeding mothers and assessed cannabis use patterns. [...] Human Milk Cannabinoid Concentrations and Associations with Maternal Factors: The Lactation and Cannabis (LAC) Study.Breastfeed Med. 2024 Jul;19(7):515-524. doi: 10.1089/bfm.2024.0021. Epub 2024 May 2. Breastfeed Med. 2024. PMID: 38695182 -