“Very bright” individuals with IQs above 125 were about twice as likely to have tried psychoactive drugs than “very dull” individuals with IQs below 75. “Intelligent people don’t always do the ‘right’ thing, only the evolutionarily novel thing.” Other forms of evolutionarily novel behavior that are more prevalent among individuals with higher IQs include vegetarianism and the use of contraceptives. Even liberalism and atheism may fall under the Savanna-IQ Interaction Hypothesis as a form of evolutionarily novel behavior defying the deeply ingrained cultural traditions of humanity.

http://thehumanist.org/march-april-2013/prohibition-humanism/