In recent years use of synthetic cannabinoids as a substitute has been on increase. Hoverer there is also some concern about their pottential effect on users.
One of the original chemists who designed synthetic cannabis for research purposes, John W. Huffman, PhD once said that he couldn’t imagine why anyone would try it recreationally. Because of its deadly toxicity, he likened it to playing Russian roulette, and said that those who tried it must be “idiots.”
Thi graph looks at what synthetic cannabinoids are.