Amphetamines cause psychological and physical dependence easily . withdrawal symptoms of amphetamines including extreme fatigue , weakness , sometimes loss of sleep , irritation , anxiety , loss of coordination , depression and suicidal tendency 由于冰会令人产生极强的依赖性，吊瘾时会感觉非常疲倦、混身酸软、睡眠失调、暴躁、焦虑、动作协调因难、抑郁或有自杀念头。
Studies show that prolonged social isolation will result in a lack of support both physically and mentally . this may include exaggerated reactions to physical illnesses or pain , or a decrease in the ability to adapt to changes in life 研究显示，长期孤立，会使身体和心理健康均缺乏支持轻则令身体对病痛过份敏感或减低适应生活上改变的能力重则导致情绪抑郁，甚至出现自杀念头或行为。
Studies show that prolonged social isolation will result in a lack of support both physically and mentally . this may include exaggerated reactions to physical illnesses or pain , or a decrease in the ability to adapt to changes in life 研究显示，长期孤立，会使身体和心理健康均缺乏支持；轻则令身体对病痛过份敏感、或减低适应生活上改变的能力；重则导致情绪抑郁，甚至出现自杀念头或行为。
