Answer:
Heroin is the addictive drug prepared from the morphine that are obtained from the poppy plants. The heroin can be directly inhaled and causes the intense feeling of relax.
The individual that suffers from tension or any other problem and wants the intense feeling takes the heroin. The Mark directly the heroin in her blood vessels and taken extra amount of drug that reduces her all tension. The excess intake of heroin leads to its over dose.