Rumours are not an effective way of discussing the safety of medicine, because they are naturally prone to all sorts of biases which skew opinion. Rumour mills

Rumours are not an effective way of discussing the safety of medicine, because they are naturally prone to all sorts of biases which skew opinion. Rumour mills are how you get witch hunts (and interestingly, the "witches" in those witch hunts were actually the early forms of doctors -- they were women who had knowledge of traditional herbal remedies).