Henry weighs about 46 pounds and stands 46 inches tall. Henry is about __________ years old

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

What will be an ideal response?

Which of the following is consistent with there being specific receptors upon which the cannabinoid delta-9 THC acts?

a. it has high lipid solubility b. modest structural modifications of the THC molecule can significantly alter its behavioral effects c. it has stereospecific effects d. only b and c above