“…Of these, 11 [67,72,100,133,136,146,157,160,176,177,183] demonstrated improvements in health following intervention, including physical symptoms ( [157] as measured by the Symptom Checklist-90; SCL-90), and physical health ( [67,183] as measured by Short Form-36; [72,100,146,160] as measured by the General Health Questionnaire; [133] as measured by Short Form-12; [177] as measured by the Standard Shiftwork Index), psychosomatic symptoms ( [176] as measured by the Pennebaker Inventory of Limbic Languidness), sickness and doctor's visits [160], and perception of one's health ( [136], measured with a single item). Of the 11 studies reporting improvements in a measure of health or physical symptoms, four were RCTs [100,157,176,183], three were non-randomised controlled studies [67,160,177] and four were uncontrolled studies [72,133,136,146]. Those studies demonstrating health improvements reported interventions based on mindfulness ( [146,157]-plus yoga), health [67] and coping [72] education, emotional intelligence (EI) education [100], relaxation ( [160,…”