Heroin is a highly addictive drug and it is a rapidly acting opioid. An opiate (narcotic) drug processed from morphine and extracted from certain poppy plants. Heroin comes in a white or brownish powder, or a black sticky substance known as “black tar heroin.” Often “cut” with other drugs or...

Mind-altering psychoactive drug. Dry, shredded, green/brown mix of flowers, stems, seeds and leaves from the cannabis sativa plant. THC (delta-9-tetrahydrocannabinol) is the main ingredient that produces the psychoactive effect. Addictive.