Virginity pledges, alongside abstinence-focused sex ed in general, are a favorite punching bag of those who favor comprehensive sex ed. In addition to being unrealistic, say their detractors, abstinence pledges promote an "all or nothing" approach to sex that may well lead to unhealthier behaviors. A new study in the Journal of Child and Family Studies bolsters these critiques by taking a nuanced look at how people with different levels of religious commitment react to purity pledges. The researchers had 1,380 students at a "large, public Southeastern state univeristy" fill out a survey about their behavior. More than a quarter...