Cannabis use by women during pregnancy does not influence infant DNA methylation of the dopamine receptor DRD4.

CONCLUSION: There is no strong evidence that maternal cannabis use in pregnancy is associated with offspring DRD4 methylation.
PMID: 28448718 [PubMed - as supplied by publisher]

Source: The American Journal of Drug and Alcohol Abuse - April 27, 2017 Category: Addiction Authors: Fransquet PD, Hutchinson D, Olsson CA, Allsop S, Elliott EJ, Burns L, Mattick R, Saffery R, Ryan J Tags: Am J Drug Alcohol Abuse Source Type: research