Legal and illegal drugs can have psychoactive effects on the brain that alter mood, perceptions, thinking, and behavior.
Is it true that legal and illegal drugs can have psychoactive effects on the brain that alter mood, perceptions, thinking, and behavior?
Yes. Legal and illegal substances, ranging from prescribed medications to recreational drugs and botanicals, exert significant psychoactive effects on the central nervous system that alter human mood, perception, thinking, and behavior.
Verdict: SUPPORTED · 9 sources for, 0 against · Last checked
The retrieved literature extensively documents how various legal and illegal substances (such as anticonvulsants, cannabinoids, arecoline, opioids, and psychedelics) interact with the central nervous system to modify mood, cognitive processing, perception, and behavior. All applicable papers support the claim, and no papers refute it.
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Behavioral and Cognitive Effects of Anticonvulsant Therapy. (1985). doi.org. https://doi.org/10.1542/peds.76.4.644
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Behavioral and Cognitive Effects of Anticonvulsant Therapy. (1995). doi.org. https://doi.org/10.1542/peds.96.3.538
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Pantano, F., Graziano, S., Pacifici, R., Busardò, F. P., & Pichini, S. (2019). New Psychoactive Substances: A Matter of Time. doi.org. https://doi.org/10.2174/1570159x1709190729101751
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DJ, H., J, G., & SL, S. (2024). A critical assessment of the abuse, dependence and associated safety risks of naturally occurring and synthetic cannabinoids.. doi.org. https://doi.org/10.3389/fpsyt.2024.1322434
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X, L., J, G., X, L., J, G., Y, L., P, C., D, Y., T, F., M, C., & Y, G. (2025). Modulation of neural activity and gene expression by arecoline.. doi.org. https://doi.org/10.3389/fnint.2025.1545260
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S, C., B, P., LM, R., T, R., E, G., & AP, D. (2025). Salvinorin A and <i>Salvia divinorum</i>: Toxicology, Pharmacological Profile, and Therapeutic Potential.. doi.org. https://doi.org/10.3390/ijms26125588
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K, Ż., K, B., W, P., M, S., I, R., I, I., M, W., K, W., W, P., D, Ś., M, R., & A, C. (2025). Review of Selected 2-Phenylethylamine Derivatives and Opioids, Systematic Review of Their Effects on Psychomotor Abilities and Driving Performance: Psychopharmacology in the Context of Road Safety.. doi.org. https://doi.org/10.3390/ph18101555
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PSCC, C., K, L., MOP, P., J, T., HS, B., AB, N., JR, S., & JM, C. (2025). Lysergic Acid Amide (LSA), an LSD Analog: Systematic Review of Pharmacological Effects, Adverse Outcomes, and Therapeutic Potentials.. doi.org. https://doi.org/10.3390/pharmacy13040098
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K, L., PM, F., DE, M., AS, O., F, M., M, L., S, B., F, H., P, V., L, L., A, K., A, B., B, O., & M, A. (2026). Psychedelics distinctly alter brain entropy and complexity compared to psychostimulants. doi.org. https://doi.org/10.64898/2026.01.15.26344193
What does the evidence say?
The retrieved literature extensively documents how various legal and illegal substances (such as anticonvulsants, cannabinoids, arecoline, opioids, and psychedelics) interact with the central nervous system to modify mood, cognitive processing, perception, and behavior. All applicable papers support the claim, and no papers refute it.
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