Preoperative cognitive-behavioural intervention improves in-hospital mobilisation and analgesic use for lumbar spinal fusion patients https://bmcmusculoskeletdisord.biomedcentral.com/articles/10.1186/s12891-016-1078-8 Shows no improvement and yet they still conclude it did improve things by rating irrelevant things. EBM is intellectually bankrupt. It shows no improvement and still the title of the paper is that it shows improvement. This field is 99% marketing. It even includes a purely speculative opinion about what may be happening. WTH?