“an Observational study from NYU”
I read the paper describing that study. It was a non-randomized study, one that did not even attempt to properly address the differences in the people who took one treatment regimen vs. a different one. And the senior author himself publicly stated that a randomized study was needed. Oh, and the study has still not actually been published in a peer-reviewed journal, even though it was released to the public three months ago.