Here opinions diverge .Pope believes the deficiency does have something to do with marijuana because his team controlled for such obvious things as IQ differences,psychiatric histories and heavy use of other drugs.

• 在这一点上意见出现了分歧。波普相信这种缺陷和大麻有关，因为他的研究小组控制了一些明显的因素，如智商上的差异、精神史和大量服用其他毒品。