In this Nov. 30, 2011, file photo, U.S. Health and Human Services Secretary Kathleen Sebelius participates in an roundtable discussion on health information technology and job creation at Cuyahoga Community College in Cleveland. The Obama administration says the number of young adults going without medical coverage has shrunk by 2.5 million since the new health care law took effect. The health care overhaul allows young adults to stay on a parent''s plan until they turn 26.