Growth of employer-sponsored protection proves fears that companies would drop insurance plans were unfounded, Carman said. This also suggests employer-based coverage will stay the primary source of health insurance, she added. Among the other findings: 11.2 million people are insured through state and federal marketplaces, including 4.1 million who are newly covered.Among the 12.6 million people newly enrolled in Medicaid, 6.5 million were not insured previously.Overall, the vast majority of Americans under age 65 experienced no noticeable switch in insurance provider over the analysis period, even though 24.6 million people changed insurance.Most insurance benefits because the rollout of Obamacare occurred during the first open enrollment period – – between September 2013 and May 2014.Despite some insurance gains, Hellander is concerned that many people are under-insured in the wake of the Affordable Care Act, which was enacted this year 2010.They compared these patients with a similar amount of people who didn’t have the procedure. They collected data on more than 6 also,000 people over the age of 50 with osteoarthritis who had a total hip replacement and compared them with an identical amount of people who didn’t have one. Osteoarthritis is the most common type of arthritis; it affects 27 million Americans over 25, based on the U.S. National Institute of Arthritis and Musculoskeletal and Skin Diseases . The disorder causes joint pain and stiffness.