This borders between worthless and harmful. If you're going to make statements that stand completely at odds with the medical establishment, it's really your bu

This borders between worthless and harmful. If you're going to make statements that stand completely at odds with the medical establishment, it's really your burden to provide evidence that you're right. Metformin is not associated with cognitive impairment in interventional trials[1]. I don't think it's my job to refute every piece of nonsense with literature citations, but it could be done. 1 = https://www.ncbi.nlm.nih.gov/pubmed/28500216 https://www.ncbi.nlm.nih.gov/pubmed/28500216