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. Stop taking this medication if you experience headache, dizziness, sudde...