Researchers from Emory University School of Medicine report in a recent study that after supplementing with vitamin D, chronic pain patients reported improvements in pain, lack of sleep, and quality of life.
Huang W, Shah S, Long Q, Crankshaw AK, Tangpricha V. Improvement of pain, sleep and quality of life in chronic pain patients with vitamin D supplementation. Clinical Journal of Pain. 2012 June 13. [Epub ahead of print]