Existing research has not yet clearly defined what mindfulness is and what effect it has. The hype clearly has gone beyond the science, and more rigorous research is needed to determine what specific effects there are, if any.
Retractions of scientific studies do not always mean that the studies die a deserved death. Sometimes they live on as zombie studies, continuing to be cited by other researchers and having an effect on the scientific discussion. We can fix this.
Spinal Manipulation for Back and Neck Pain: Does It Work? You would think it does if you read the article but not if you actually read the literature.