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Heroin addiction is one of the most destructive and painful addictions in the world and rehab can be a lifelong process.Produced from the poppy, heroin is a semi-synthetic form of morphine. It has been estimated to be one of the most addictive substances created.This is ironic, because when heroin was first marketed, it was thought to be safer than morphine and was used to treat morphine addiction.roduced from the poppy, heroin is a semi-synthetic form of morphine. It has been estimated to be one of the most addictive substances created. This is ironic, because when heroin was first marketed, it was thought to be safer than morphine and was used to treat morphine addiction.
Heroin is a pain-killing drug, which is derived from the dried milk of the opium poppy and white crystals. Heroin belongs to a group of drugs known as opiates, other opiates i â¦ ncludemorphine and methadone. Heroin is an addictive opioid substance. 2  Most often, it is injected directly into the user's vein via a needle. 3  Heroin is unlike other drugs such as ecstasy and alcohol in thâ¦. 4  Major Long Term Effects of Heroin Use Every illegal drug has both short-term and long-term effects.