The major medical application of drugs such as morphine and heroin is ______.

Question

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Morphine and heroin are both narcotics that are used as potent analgesics (painkillers) for severe pain relief. They work by binding to specific receptors in the nervous system that are involved in pain perception, reducing the sensation of pain. Morphine is often used for post-surgical pain management, while heroin is a highly addictive illegal drug with no medical use.

The Major Medical Application of Drugs Such as Morphine and Heroin