College students are most susceptible to highest-risk of health risk behaviors (HRBs) in China. Mindfulness-based interventions (MBIs) have shown significant benefit in specific HRB; however, evidence of its effectiveness in multiple HRBs in college students is limited. The current study aimed to address the effectiveness of the Mindfulness-Based Cognitive Therapy (MBCT) on trait mindfulness and multiple HRBs among general Chinese undergraduates, and the relationship between trait mindfulness and HRBs. A randomized controlled trial (RCT) was co...