Memory impairment issues can be resolved by smoking strains with higher levels of cannabidiol(cbd)
http://www.ncbi.nlm.nih.gov/pubmed/20884951
"Unlike the marked impairment in prose recall of individuals who smoked cannabis low in cannabidiol, participants smoking cannabis high in cannabidiol showed no memory impairment"
http://www.ncbi.nlm.nih.gov/pubmed/20884951
"Unlike the marked impairment in prose recall of individuals who smoked cannabis low in cannabidiol, participants smoking cannabis high in cannabidiol showed no memory impairment"