This article is a pre-print with severe mistakes (in particular they inverted the results for the treatment and control groups in one of the studies, you can't

This article is a pre-print with severe mistakes (in particular they inverted the results for the treatment and control groups in one of the studies, you can't make this up). Read the comments. It's highly unlikely the piece will be published. Read this peer-reviewed and accepted meta-analysis instead [0]. Conclusion: low- to moderate-certainty evidence of a positive effect depending on the endpoint. Higher certainty would come from higher-powered studies. [0] https://journals.plos.org/plosntds/article?id=10.1371/journal.pntd.0009446 https://journals.plos.org/plosntds/article?id=10.1371/journa...