New psychoactive substances (NPS), also known as "internet drugs," are substances developed to affect the brain in a similar way to illegal drugs. Researchers at Linköping University, Sweden, in ...

For more than 50 years, marijuana has been classified as a Schedule I drug, alongside drugs considered to have no accepted medical use, thanks to then-President Richard Nixon’s so-called War on Drugs.

The move will bring enormous tax benefits to medical marijuana producers and may speed research into its effects, experts say.

A controlled substance is a drug that the DEA regulates to ensure safety, facilitate medical use, and prevent misuse within legal guidelines. The Controlled Substances Act was established in 1970 and ...

The House on Thursday approved a bill that would classify all fentanyl as a Schedule 1 substance, the most dangerous classification of drugs. The GOP-led legislation, backed by the White House, passed ...