20thcentury accidents addiction anxiety anxietymanagement attention automobileracing automotiveengineering awareness bereavement biologicalsciences biology cognitive cognitivescience communication controlledsubstances criminallaw dangers death digital-age distraction driver'seducation drugs dying enginerebuilding firstaid general grief highperformanceautomobiles humor impact investigation language lawenforcement liabilitylaw literarybiography miscellaneous miscellaneoushumor miscellaneousquotations multitasking mystery nutrition philosophy popularculture psychology publicworkpolicies safety science self-help smartphones socialaspects socialsciences society socioculturalaspects stress technology texting trades transportation trauma-relateddisorders