Olga Pierce

If not for flawed classification of deaths, medical mistakes would be the third leading cause of U.S. deaths, Johns Hopkins researchers say. They're calling on the CDC to track deaths from errors.

Patients who suffer injuries, infections or mistakes during medical care rarely get an acknowledgment or apology, researchers at the Johns Hopkins University School of Medicine report.

Their study was based on responses of 236 patients who completed ProPublica's Patient Harm Questionnaire during the one-year period ending in May 2013 ...