Bulletin TodayBy Shefali S. Kulkarni, Kaiser Health News Divorce is usually a painful exercise in splitting up assets. But for many women, it also means losing health insurance protection. A study released this week from the University of Michigan reveals that roughly 115,000 American women lose their private health insurance annually after a divorce and about half of them do not get replacement coverage. The researchers also said this is not a “temporary disruption.” They found that “women’s overall rates of health …