“…Individual factors include low self-control [5], curiosity [6], pursuit of excitement and comfort [6], alleviation of distress [6], poor coping mechanisms with stress [3,7], and a low level of awareness of the negative consequences of drug abuse [6]. Social or environmental factors include the existence of life stress events [7], weak social bonds [3,8], and adverse environmental factors (e.g., bad role models such as negative peer influence and poor family education, low availability of rewarding life choices other than drugs, family relationship with little emotional contact) [2,3,6,9,10,11]. With respect to drug relapse, its reasons include both individual (e.g., low level of self-efficacy, negative perception of events) and social/environmental factors (e.g., existence of additional crises, lack of community support) [9,12,13,14,15].…”