As yoga has gained popularity as a therapeutic intervention, its safety has been questioned in the lay press. Thus, this review aimed to systematically assess and meta-analyze the frequency of adverse events in randomized controlled trials of yoga. MEDLINE/PubMed, Scopus, the Cochrane Library, and IndMED were screened through February 2014. Of 301 identified randomized controlled trials of yoga, 94 (1975-2014; total of 8,430 participants) reported on adverse events.
OBJECTIVES: Homeopathy is a popular treatment modality among patient, however there is sparse research about adverse effects of homeopathy. A concept unique for homeopathy, is homeopathic aggravation that is understood as a transient worsening of the patients' symptoms before an expected improvement occurs. From a risk perspective it is vital that a distinction between homeopathic aggravations and adverse effects is established. There is a lack of systematic information on how frequent adverse effects and homeopathic aggravations are reported in studies.
BACKGROUND: Acupuncture within pregnancy has frequently been investigated, often finding this to be more effective than standard care. However, the adverse event severity, types and occurrence are unclear. OBJECTIVE: To investigate the quality of reporting adverse events and to attempt to identify occurrence, type and severity of adverse events in acupuncture and non-acupuncture groups. DATA SOURCES: MEDLINE, CINAHL, Allied and Complementary Medicine Database, and Physiotherapy Evidence Database (PEDro) were searched for relevant studies between 2000 and 2014.