Baer's review (see record 2003-03824-001) suggests that mindfulness-based interventions are clinically efficacious, but that better designed studies are now needed to substantiate the field and place it on a firm foundation for future growth. Her review suggests that interest in incorporating mindfulness into clinical interventions in medicine and psychology is growing. It is thus important that professionals understand some of the unique factors associated with the delivery of mindfulness-based interventions and the potential conceptual and practical pitfalls of not recognizing the features of this broadly unfamiliar landscape. (PsycINFO Database Record (c) 2019 APA, all rights reserved)