Researchers see cognitive changes in offspring of heavy cannabis-using rats


Washington State University researchers have seen cognitive changes in the offspring of rats exposed to heavy amounts of cannabis. Their work is one of the rare studies to look at the effects of cannabis during pregnancy. The drug is the most commonly used illicit substance among pregnant women.

Ryan McLaughlin, an assistant professor of Integrative Physiology and Neuroscience, exposed pregnant rats to various concentrations of  vapor and documented how the offspring of those exposed to high amounts had trouble adjusting their  to get sugar rewards.