what is herion devirde from
Heroin is a highly addictive drug derived from morphine, which is obtained from opium poppy plants. It is a âdownerâ or depressant that affects the brainâs pleasure systems and interferes with the brainâs ability to perceive pain.eroin is a highly addictive drug derived from morphine, which is obtained from opium poppy plants. It is a âdownerâ or depressant that affects the brainâs pleasure systems and interferes with the brainâs ability to perceive pain.