A new study shows that the use of marijuana during pregnancy is related to abnormal brain structure in children. Comparing children prenatally exposed to marijuana with the unexposed ones, the former showed thicker prenatal cortex, a part of the brain that is involved in decision-making, working memory and complex cognition.
In a study released in the Biological Psychiatry, children prenatally exposed to marijuana have thicker prenatal cortex than those who were not exposed. The study, led by Dr. Hanan El Marroun of the Erasmus University Medical Center in the Netherlands, sprang from the issue of the rising cases of marijuana use during pregnancy in the country and the absence of thorough studies on its effects on the fetus and in the child’s developing years.
According to the researchers, an estimated 2-13% of women use marijuana during pregnancy. While there have been previous studies that showed short