Has the science of mindfulness lost its mind?

The excitement about the application of mindfulness meditation in mental health settings has led to the proliferation of a literature pervaded by a lack of conceptual and methodological self-criticism. In this article we raise two major concerns. First, we consider the range of individual differences within the experience of meditation; although some people may benefit from its practice, others will not be affected in any substantive way, and a number of individuals may suffer moderate to serious adverse effects. Second, we address the insufficient or inconclusive evidence for its benefits, particularly when mindfulness-based interventions are compared with other activities or treatments. We end with suggestions on how to improve the quality of research into mindfulness interventions and outline key issues for clinicians considering referring patients for these interventions.