目前,对于海洛因成瘾来讲,其核心问题是为什么成瘾者由简单的用药发展到强迫性的用药行为?为什么戒断后又很容易回到原有的强迫性用药状态?并随着停药时间的延长,病人用药后的快感逐渐减轻的同时对药物的渴求可以保留或与日俱增。在导致成瘾的起初阶段,药物引起的奖赏效应... At present, the key question about heroin addiction is why addicts evolve from simple drug use to compulsive drug use behavior. Why is it easy to return to the original obsessive drug use status after withdrawal? Prolongation of drug time, the patient gradually reduce the pleasure of medication at the same time the thirst for drugs can be retained or growing. In the initial stages leading to addiction, drug-induced reward effects ...