Novel psychoactive substances (NPS) are an emerging or re-emerging type of illicit substance. These synthetic drugs are similar in structure and effect to common drugs of abuse but differ enough that they evade detection with traditional tests and require new scheduling laws. NPS pose serious complications because their use may be linked to severe health problems and their chemical modifications make them challenging to identify. Read about research on NPS below.
(Courtesy of nij.ojp.gov)