Even studies published in high impact journals can be poorly done. Authors can reach conclusions not supported by the data. Studies can be biased- did the authors do anything to mitigate this?
You need to assess whether the study is relevant to your patients and your context.
Critical appraisal is a systematic way of assessing the quality and relevance of a given research article.
Critical appraisal frameworks:
Anyone can publish anything online. Use the HonCode Criteria to evaluate the quality of consumer health information before sharing with patients.