What's the Rush, RI?

Marijuana, the most common illicit substance used during pregnancy, can reduce birthweight by an average of 15 ounces over the course of a full term pregnancy. The 2009 study conducted in the Netherlands among 7,500 mothers was  Researchers also found a statistically significant reduction in head circumference.

The abstract and entire article published in the Journal of the American Academy of Pediatric and Adolescent Psychiatry can be found at:  http://www.sciencedirect.com/science/article/pii/S0890856709660731