I suppose most of us feel a bit off colour from time to time. When it goes on a bit, if one is available to us, we often consult a doctor. I had reason to mull over the teachings in the Bahá'í Faith about such matters while sat in the waiting room at a local clinic. I was clutching a print-out from an internet site that explained why I should not take a medicine prescribed by one doctor - it was causing a problem potentially more serious than the one it was treating. I also had an idea about...