The Study
WITHDRAWN: Zinc for the common cold.
This study was a big summary of research about zinc for colds, but it got taken down because it had mistakes and copied from other people's work. We can't trust anything it says because the information isn't reliable.
Analysis score
Maximum 100 for a systematic review.
Where the score came from
This study was taken back by the journal because it had copying problems and wrong data.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 520 / 100
Quality score
Systematic reviews and meta-analyses of cohort studies. They sit above a single cohort study but below a single randomized trial, because the underlying evidence is still observational.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Not applicable - study retracted
- 2Not specified in abstract
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
The Cochrane database of systematic reviews
Year
2015
Authors
Meenu Singh, R. Das
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.