On Calle Obrapaa, between Mercaderes and San Ignacio, is the striking lemon-yellow Casa de la Obra Paa.
Casa de la Obra Paa is strikingly lemon-yellow in color.
Tens of millions of humans, as we know, willingly partake of marijuana, and these differences between rat and human behavior should discourage us from using two rat studies to assert that a) marijuana is addictive in the same way as harder drugs are and b) marijuana primes humans for addiction to harder drugs.