A study published Monday in the journal Health Affairs suggests life span for women in some parts of the country is actually falling, a finding that generated a lively discussion among Wall Street Journal readers. On Wednesday, The Wall Street Journal spoke with the authors of the study?David Kindig, a health-sciences professor at the University of Wisconsin?s Population Health Institute, and Erika Cheng, a Ph.D candidate at the university?about what factors may be behind the result. Here is an edited excerpt:
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