Every year, hundreds of thousands of healthy volunteers and patients worldwide undertake the journey through the maze that can be clinical trials. Research participants take part in clinical trials for a variety of reasons. The healthy volunteers may be seeking extra money to pay off college tuition, or they may know someone who is suffering and would potentially benefit from the results of the trial. The patient who is terminally ill might participate in a clinical trial simply as a last hope for a cure. Whatever the goals, though, most participants will experience the same sense of...