What are the 4 major classes of drugs?
What are the 4 major classes of drugs? There are four main groups of drugs, divided according to their major effects, plus a few substances that do not easily fit into any category….What types of drug are there? stimulants (e.g. cocaine) depressants (e.g. alcohol) opium-related painkillers (e.g. heroin) hallucinogens (e.g. LSD) What are some stimulant […]