Theregularuseoftextmessagesande-mailscanlowertheIQmoret...
问题详情：Theregularuseoftextmessagesande-mailscanlowertheIQmorethantwiceasmuchassmokingmarijuana（大麻）istheclaimofpsychologistshavefoundthattappingawayonamobilephoneorcomputerkeypadorcheckingthemforelect...