translation.en: I'll tell you something else I learned, that the reason some drugs are legal and others not has almost nothing to do with science or health or the relative risk of drugs, and almost everything to do with who uses and who is perceived to use particular drugs.
translation.zh: 让我告诉你们我学到的另一件事， 之所以有些药物是合法的，有些则不是， 这跟科学、健康或药物相应的风险 几乎没有任何关系； 而是跟谁在使用、 或谁被视作在使用特定药物有关。