This systematic review found strong evidence for short-term effectiveness and moderate evidence for long-term effectiveness of yoga for chronic low back pain in the most important patient-centered outcomes. Yoga can be recommended as an additional therapy to chronic low back pain patients.

This meta-analysis revealed evidence for the short-term effectiveness and safety of mindfulness-based interventions in women with breast cancer. However, their clinical relevance remains unclear. Further research is needed.

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The statistical heterogeneity of the included studies is very high. Somatoform disorders and medically unexplained symptoms are more common than generally assumed. The found prevalences highlight the importance of these conditions in primary care.