The human body and the brain contain opioid receptors called endorphins, our own natural pain-killing substances produced whenever our body pass through emergency moments of shock or injury. Heroin binds rapidly with endorphin receptors, extending and magnifying their natural painkilling effect.
The result is a sensation of pleasurable, known as “high” “rush.” The user experiences a [...]

Heroin is the most rapidly acting drug of the opiates. Heroin is processed from morphine, a naturally occurring substance extracted from the seed pod of certain varieties of poppy plants. It is typically sold as a white or brownish powder or as the black sticky substance known on the streets as “black tar heroin.”
Because heroin [...]