‘So ask your vet why they think the drugs your animal is being given will work. We’re going to have to confront our own psychological biases, here: research shows that people prefer confident advice, sometimes even when we know those giving it have been wrong before. And good answers to these questions will inevitably be hedged with caveats about the small number of studies that have been done, and their limitations. If all you get from your vet is a bland assurance that they’ve been doing this for years, and see great results, get them to talk you through the scientific evidence. If they can’t do so, that should be a warning sign: It might be time to look for another vet.’ (Medium).