Substances which change the central nervous system include prescription, over-the-counter, and illegal drugs. Hence, option D holds true.
What is an illegal drug?
A form of intoxicants that has been affected by the relevant lawful authorities, which regulate the circulation of such drugs in the market, are known as illegal drugs.
The authorities put a strict restriction over their circulation, as they are seriously harmful and affect the central nervous system. Moreover, they also cause severe change in the state of mind of a person.
Consumption of such drugs may be allowed only on the provision of a valid prescription, which is over-the-counter.
Hence, option D holds true regarding the illegal drugs.
Learn more about illegal drugs here:
https://brainly.com/question/14527737
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