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

Correct Answer is option "d"

Explanation:

Heroine is an drug of opiod plant which is made up of from morphine, a natural substance which taken from the seed pod of the different opium poppy plants. Heroine is found in various form such as in white powder and brown powder. Other common names for heroine are horse, smack & hell dust. People takes heroine in different route of administration such as few people smoke it, some inject, or other used as sniff etc. Heroine enter in brain rapidly and combined with opiod receptors on cells, it involve in pain and pleasure, controlling heart rate etc. It show both effects short term and long term effect on the brain and body. Hence, the correct answer is option d "Heroine"