You are probably familiar with drug commercials. There are all sorts of them showing people being active and smiling as they attend a birthday party, go biking, go surfing, or shopping at a flower shop. At some point they start listing some of the side effects and precautions, including some obvious and some scary statements. “Do not take this medication if you take nitrates for chest pain, do not take this medication if you do not suffer from a disease, or do not take his medication if you are allergic to this medication.