HHS and Harvard University researchers said Wednesday (July 23) that 10.3 million uninsured adults gained coverage during the first open enrollment period either through Medicaid or by purchasing private health insurance. The numbers are the first the federal government has released quantifying how many people that signed up for coverage via the exchange had been uninsured, a key metric in gauging the law's success. HHS published the figures in a study in the New England Journal of Medicine. HHS said...