What are three primary reasons that LSD, mescaline, and psilocybin are generally considered to belong to the same class of hallucinogen?

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Quizplus · Accepted Answer

The Answer is Their effects are all mediated through their actions on 5-HT receptors.Their effects are subjectively indistinguishable from one another at appropriate doses.They share a molecular structure with either dopamine or serotonin and have several methyl groups attached to them.Tolerance to their effects occurs fairly rapidly and there is profound cross-tolerance among them.

What Are Three Primary Reasons That LSD, Mescaline, and Psilocybin