Women age 35 and older who live in Mississippi, New York, and Virginia are more likely to die of heart disease than anywhere else in the United States, a study concludes. The report, based on heart disease death rates between 1991 and 1995, also found that black women are at far greater risk than any other group. Experts site many possible reasons for the disparity. In fact, I counted at least eight different possible reasons that the experts gave for the possible differences. One thing is for sure, this will likely remain a Healthy Mystery for some time to come.