Music Relax Working Jazz In accordance with a small-scale 2017 study, listening to music in headphones although beneath regional or normal anesthesia can lower cortisol levels through surgery, and decrease post-op agony and stress. Dr. Daniel Levitin, of McGill University in copyright, and colleagues mention this theory within a 2013 https://loanbookmark.com/story17586593/everything-about-music-relaxing-morning