安慰剂效应是什么

 anweijishishenme？anweiji（placebo）zhibuhanrenheyaolichengfendezhijihuojixing，waixingyuzhenyaoxiangxiang，ruzhengliushui、dianfenpianhuojiaonangdeng。

一、安慰剂是什么

 anweiji，youmeiyouyaoxiao，yemeiyoudufuzuoyongdewuzhizhicheng，ruputaotang、dianfendeng，waixingyuzhenyaoxiangxiang。fuyonganweiji，duiyuneixiekeqiuzhiliao、duiyiwurenyuanchongfenxinrendehuanzhe，nengzaixintaishangchanshenglianghaodejijifanying，congergaishanrendeshenglizhuangtai，dadaosuoxiwangdeyaoxiao，zheizhongfanyingbeichengweianweijixiaoying。

 anweijixiaoyingyingyu1955nianyoubiqueboshitichu，zhibingrensuiranhuodewuxiaodezhiliao，danque“yuliao”huozhe“xiangxin”zhiliaoyouxiao，errangbinghuanzhengzhuangdedaoshuhuandexianxiang。anweijixiaoyingshiyizhongfeichangqiangyoulidexianxiang，nengshizhishao1/3shenzhigengduodehuanzhebingzhengxianzhugaishan。

二、安慰剂实验

 kexuejiazaishiyanduixiangshenshangzhizaotengtong，ranhoushiyongmafeikongzhizheizhongtengtong。yitianzheiyangzuojici，lianxujinxingjitian，zhidaoshiyandezuihouyitian，yongshengliyanshuiqudaimafeirongye。caicaifashengleshenme？xiangmafeiyiyang，shengliyanshuiyeyouxiaodiyizhileshiyanduixiangdetengtong。

 chanshenganweijixiaoyingdexintaiheshenglijizhixiangdangfuza，haimeiyoudedaohenhaodelejie。yixiekexuejiarenwei，zheishidanaozaijinzhangshishifangdeneifeitaidenghuanjietengtongdemafeileihuaxuewuzhisuoqidezuoyong。qitakexuejiazerenwei，zheishimouzhongxingshidetiaojianfanshezuoyong。bulunchanshenganweijixiaoyingshinazhongjizhi，jingshenzuoyongwuyishiqizhefeichangguanjiandezuoyong。