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绝大多数药物在人体中都是这样无“地址”寄送的,即由血液把它们带到有病的器官中去。这就是说,在输送的途中,药物会落到人体不需要它们的地方。实际上,它们常常是在全身的所有器官和组织上出现的。这就产生了不少的问题,其中包括药物对健康组织的有害作用和药物浪费。鉴于此种情况,医生们一直梦想有一天能够发明一种可以准确地“寄送”药物的“磁性子弹”。在70年代末,
The vast majority of drugs in the human body are so “addressless” sent, that is, by the blood to bring them to sick organs. This means that on the way to delivery, the medicine will fall to where the body does not need them. In fact, they often appear on all organs and tissues throughout the body. This creates a number of problems, including the harmful effects of drugs on healthy tissues and the waste of medicines. Given this situation, doctors have always dreamed of one day able to invent a “magnetic bullet” that accurately “delivers” medicine. In the late 1970s,