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Zingiberis rhizoma: a comprehensive review on the ginger effect and efficacy profiles.
TLDR
A comprehensive review of the literature to summarize the pharmacological and clinical effects of this popular plant material found ginger exerts in vitro antioxidative, antitumorigenic and immunomodulatory effects and is an effective antimicrobial and antiviral agent. Expand
Efficacy of kava extract for treating anxiety: systematic review and meta-analysis.
TLDR
The meta-analysis of three trials suggests a significant difference in the reduction of the total score on the Hamilton Rating Scale for Anxiety in favor of kava Extract, implying that kava extract is superior to placebo as a symptomatic treatment for anxiety. Expand
The efficacy of ginseng. A systematic review of randomised clinical trials
TLDR
It is concluded that the efficacy of ginseng root extract is not established beyond reasonable doubt for any of these indications and the widespread use ofginseng as a herbal remedy warrants more rigorous investigations to assess its efficacy and safety. Expand
Peppermint oil for irritable bowel syndrome: a critical review and metaanalysis
TLDR
The role of peppermint oil in the symptomatic treatment of IBS has so far not been established beyond reasonable doubt, and a metaanalysis of five placebo-controlled, double blind trials seems to support this notion. Expand
Assessment of therapeutic safety in systematic reviews: literature review
TLDR
This work evaluated two major medical databases to assess the extent to which therapeutic safety is addressed in systematic reviews and meta-analyses. Expand
Dietary supplements for body-weight reduction: a systematic review.
TLDR
The evidence for most dietary supplements as aids in reducing body weight is not convincing and none of the reviewed dietary supplements can be recommended for over-the-counter use. Expand
Kava extract versus placebo for treating anxiety
TLDR
Compared with placebo, kava extract is an effective symptomatic treatment for anxiety although, at present, the size of the effect seems small and the effect lacks robustness and is based on a relatively small sample. Expand
Effectiveness and Safety of Ginger in the Treatment of Pregnancy-Induced Nausea and Vomiting
TLDR
Ginger may be an effective treatment for nausea and vomiting in pregnancy, however, more observational studies, with a larger sample size, are needed to confirm the encouraging preliminary data on ginger safety. Expand
Location bias in controlled clinical trials of complementary/alternative therapies.
TLDR
More positive than negative trials of complementary therapies are published, except in high-impact factor MM-journals, which should be taken into account when the literature on complementary therapies is being examined. Expand
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