Designer drugs are copies of controlled substances and are produced by bootleg chemists.
In fact, the chemical structure of a designer drug may differ from that of the drug it copies by only a few atoms. Designer drugs used to be legal because the law had to specify the exact chemical structure of a controlled substance. Since designer drugs were close-but. In 1986, however, The Controlled Substances Analog Act banned the manufacture and sale of all designer drugs, thereby making them illegal. Absolutely All controlled substances pose potential dangers to physical and mental health.