Answer to Question 1
Psychological dependence refers to the subjective feeling of needing the substance to adequately function. Physical dependence occurs when the body adapts to the substance's constant presence, and tolerance refers to requiring more of the substance to experience an effect once obtained at a lower dose Another aspect of physical dependence is the experience of withdrawal, an adverse physiological symptom that occurs when consumption of an abused substance is ended abruptly and is thus removed from the body.
Answer to Question 2
Understandably, children whose normal functional abilities are limited face the greatest challenges in everyday activities; these challenges, in turn, increase behavioral, social, and school-adjustment difficulties. These problems are most often expressed as internalizing symptoms, such as anxiety, depression, or post-traumatic stress disorder, or a combination of both internalizing and externalizing problems (Pao & Bosk, 2011; Pinquart & Shen, 2011; Wechsler & Snchez-Iglesias, 2013).
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