TITUSVILLE, N.J., June 8 /PRNewswire/ -- A new nationwide survey of migraine sufferers found that nearly half (45 percent) of respondents say migraine is worse than having a root canal and more than two-thirds (68 percent) say they are concerned about their next attack even when not actively experiencing one. Migraines are a painful reality for nearly 30 million Americans, many of whom are dissatisfied with their current treatments.