A study looking at survey data pooled in 2010/11 comes from Northern Ireland and reveals that marijuana use rates tend to be greater for those engaged in higher education, and are also consistently lower in groups that left education before age 15. As it turns out, the group most frequently using marijuana in their lifetime is a composite of professionals and managers, whereas marijuana useage is lowest among semi-skilled and unskilled laborers. This information is also consistent with data gathered…