Hot take: journal club shouldn't change the way you treat patients because most articles exciting enough for journal club need additional data, replication and time to mature. By the time the data is compelling enough to justify changing your practice the data comes via a boring meta-analysis that you read and remark, "I knew that, we read about it in journal club like 3 years ago."
See: Medical Reversal: Why We Must Raise the Bar Before Adopting New Technologies Link
