After taking a psychoactive drug for many years, Carl stops taking it. He finds withdrawal to be physically painful, because because the drug he had been taking caused his brain to stop producing its own endorphins. Which drug was he taking

What federal law makes marijuana illegal i know it's a schedule 1 drug but what law specifically gives the federal government the ability to arrest or fine you over marijuana i have only been able to find info on the scheduling of the drug but it never says this or that is illegal it just says that it's a schedule 1 drug i need the wording exactly my english teacher says that if i don't have it my paper is null and void