... Frick (2013) there are three possible origins for Conduct Disorder manifesting in youth. These are early onset, callous/unemotional traits, and severe anger dysregulation. Earlier (childhood) onset of CD is believed to be a result of neurological issues relating to inhibition and verbalization (Pardini & Frick, 2013). Those who manifest CD in childhood often hail from families with histories of anti-social behaviour ... , 2010). Much like conduct disorder, substance abuse in youths is highly influenced by behavioural and familial factors – the negative behaviours associated with CD may ...

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• Grade Level: Graduate