Despite increased religious tolerance in China over the past few decades, persecution of Christians persists. Small churches or Christians who clandestinely meet in small groups may avoid a certain degree of conflict; few studies consider how their larger, less conspicuous counterparts fare. An...

We examine whether the genetic basis for religious involvement is common to the genetic basis for drug use/abuse, helping to explain the inverse relationship between religiosity and drug use. To test this hypothesis, we analyzed data on 2,537 young adult siblings participating in Wave III of the...