... in modulating pain intensity.Conclusion In summary, we found a high prevalence of pain of mildintensity, increased neuropeptide levels, increased every-day stress, and diminished quality of ... [15]. The BPI-SF inquires as to the location and intensity of pain during daily life. The BPI-SF utilizes a rat-ing scale of 0 (no pain) to 10 (worst pain possible) and isadministered by the ... studies of pain prevalence in patients pre-senting with MDD in whom pain was not the primarycomplaint [9], whereas it is well established that pain and depression are sometimes so intertwined...