This study shows that we have to develop methods to monitor the continued rise in marijuana misuse and dependence and reinforce existing prevention and intervention efforts, particularly developing and implementing fresh programs that target African-American and Hispanic young adults specifically. Dr. Wilson Compton, Director of the Division of Epidemiology, Services and Prevention Analysis at NIDA, Dr. Bridget Grant at NIAAA, and their colleagues evaluated data from two large, national epidemiologic surveys conducted 10 years apart – the National Longitudinal Alcoholic beverages Epidemiologic Study and the National Epidemiological Survey on Alcohol and Related Conditions .In this scholarly study, they wanted to understand how 4-year-olds who was simply physically abused could actually focus and control their attention when exposed to an authentic hostile discussion between adults. In the scholarly study, 33 kids played a computer game in one space while professional actors performed a scene in the next. During the scene, the actors started out calm, escalated into anger, warmly resolved the conflict then. The researchers measured autonomic nervous program activity to judge how children responded. Both combined groups showed the same levels of emotional arousal at the start of the experiment. However, physically abused children became more aroused as the discussion between the adults transferred into anger.