In evidence-based medicine, more research is not always better…

Commentary On: Castro-Sanchez AM, Lara-Palomo IC, Mataran-Penarrocha GA, Fernandez-de-las-Penas C, Saavedra-Hernandez M, Cleland J, et al. Short-term effectiveness of spinal manipulative therapy versus functional technique in patients with chronic non-specific low back pain: a pragmatic randomized controlled trial. Spine J 2016:16:302–312 ( in this issue ).