Explain how drugs of abuse act as positive reinforces? Choose any commonly abused drug in KSA and explain about the abuse problem from that drug?

Instructions for submission:

Length of the write-up should be 450-500 words.excluding the references
Text size 12-Times New Roman with 1.5-line spacing.
Heading should be Bold
The text color should be Black.
References must be reliable and in APA format with minimum two references

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