A psychoactive drug, psychopharmaceutical, psychoactive agent, or psychotropic drug is a chemical substance that changes the function of the nervous system...

Classification System. This classifies drugs according to their solubility and permeability or absorption properties. Psychoactive drugs are substances that affect...

beverages, but technically all alcoholic beverages contain several types of psychoactive alcohols, that are categorized as primary, secondary, or tertiary; Primary...

Psychoactive drugs, such as caffeine, amphetamine, mescaline, lysergic acid diethylamide (LSD), cannabis, chloral hydrate, theophylline, IBMX and others...

in standard drug tests. Designer drugs include psychoactive substances that have been designated by the European Union as new psychoactive substances (NPS)...

classification as illegal. Many of the older designer drugs (research chemicals) are structural analogues of psychoactive tryptamines or phenethylamines but there...

Recreational drug use is the use of one or more psychoactive drugs to induce an altered state of consciousness, either for pleasure or for some other...

cognition or behavior. Many of these plants are used intentionally as psychoactive drugs, for medicinal, religious, and/or recreational purposes. Some have...

other names, is a psychoactive drug from the cannabis plant. Native to Central or South Asia, the cannabis plant has been used as a drug for both recreational...

salts (also called psychoactive bath salts, PABS and, in the United Kingdom, monkey dust) are a group of recreational designer drugs. The name derives...