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                          优秀禁毒手抄报图片 毒品的危害

                          整理:老师板报网   时间:2018-05-02   评论:   图片数:2P    优秀禁毒手抄报图片 毒品的危害

                          优秀禁毒手抄报图片 毒品的危害

                          优秀禁毒手抄报图片 毒品的危害

                            优秀禁毒手抄报图片 毒品的危害手抄报内容

                            1,吸毒对社会的危害

                            (1)对家庭的危害:家庭中一旦出现了吸毒者,家便不成其为家了。吸毒者在自?#19968;?#28781;的同时,也破害自己的家庭,使家庭陷入经济破产、?#36164;?#31163;散、甚至家破人亡的困难境地。

                            (2)对社会生产力的巨大破坏:吸毒首先导致身体疾病,影响生产,其次是造成社会财富的巨大损失和浪费,同时毒品活动还造成环境恶化,缩小了人类的生存空间。

                            (3)毒品活动扰乱社会治安:毒品活动加剧诱发了各?#27835;?#27861;犯罪活动,扰乱了社会治安,给社会安定带来巨大威?#30149;?#26080;论用什么方式吸毒,对人体的身体都会造成极大的损害。

                            2,吸毒对身心的危害

                            (1)身体依赖性,由于反复用药所造成的一种强烈的依赖性。

                            毒品作用于人体,使人体体能产生适应性改变,形成在药物作用下的新的平衡状态。一旦停掉药物,生理功能就会发生紊乱,出现一系列?#29616;?#21453;应,称为戒断反应,使人感到非常痛苦。用药者为了避免戒断反应,就必须定时用药,并且不断加大剂量,使吸毒者终日离不开毒品。

                            (2)精神依赖性

                            毒品进入人体后作用于人的神经系?#24120;?#20351;吸毒者出现一种?#26159;?#29992;药的强烈欲望,驱使吸毒者不顾一切地寻求和使用毒品。一旦出现精神依赖后,即使经过脱毒治疗,在急性期戒断反应基本控制后,要完全康复原有生理机能往往需要数月甚至数年的时间。更?#29616;?#30340;是,对毒品的依赖性难以消除。这是许多吸毒者在一而在、再而三复吸毒的原因,也是世界医、药学界尚待解决的课题。

                            (3)毒品危害人体的机理

                            我国目前流行最广、危害最?#29616;?#30340;毒品是海洛因,海洛因属于阿片灯药物。在正常人的脑内和体内一些器官,存在着内源性阿片肽和阿片受体。在正常情况下,内源性阿片肽作用于阿片受体,调节着人的情绪和行为。人在吸食海洛因后,抑制了内源性阿片肽的生成,逐渐形成在海洛因作用下的平衡状态,一旦停用就会出现不?#30149;?#28966;虑、忽冷忽热、起鸡皮疙瘩、流泪、流涕、出汗、恶心、呕吐、腹痛、腹泻等。这种戒断反应的痛苦,反过来又促使吸毒者为避免这种痛苦而千方百计地维持吸毒状态。冰毒和摇头丸在药理作用上属中枢兴奋药,毁坏人的神经中枢。


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