In general, heroin has:

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Heroin has a high risk for both physical and psychological dependence. It binds to opioid receptors in the brain, triggering the release of dopamine, which creates feelings of pleasure and well-being. Over time, the brain becomes less responsive to normal levels of dopamine, leading to tolerance and the need for increasingly higher doses of heroin to achieve the same effects. This can quickly lead to physical dependence, which is characterized by unpleasant withdrawal symptoms when the drug is no longer present in the body. Additionally, heroin use can lead to psychological dependence, which is characterized by intense cravings and a preoccupation with using the drug. Both types of dependence can make it extremely difficult for individuals to stop using heroin once they start.

In General, Heroin Has