Mindfulness‐based stress reduction (MBSR) has grown in popularity over the last two decades, showing efficacy for a variety of health issues. In the current study, we examined the effects of an MBSR intervention on pain, positive states of mind, stress, and mindfulness self‐efficacy. These measures were collected before and following an 8‐week intervention. Post‐intervention levels of stress were significantly lower than pre‐intervention levels, while mindfulness self‐efficacy and positive states of mind were at significantly higher levels. The findings underscore the potential for stress management, awareness and attention training, and positive states of mind using MBSR.