Core and Group Health

New data show sales of cholesterol blockbuster Lipitor plunged by half barely a week after the world's top-selling drug got its first U.S. generic competition.

Medicare says it's launching a national experiment to improve care for seniors, and hopefully save taxpayers money as well.

The Supreme Court announced Monday that it will use an unprecedented week's worth of argument time in late March to decide the constitutionality of President Barack Obama's historic health care overhaul.

Private contractors that are supposed to guard against Medicare fraud paid claims submitted in the names of dead providers or for unnecessary medical treatments, which were among problems estimated to cost more than $1 billion in 2009, according to an inspector general report released Friday.

Colorado lawmakers moved forward Thursday with an $18 million federal grant application to set up an insurance marketplace required under the new health care law.

Health insurer Aetna Inc. on Wednesday raised its forecast for 2011 and 2012 earnings, citing strong results in October and November.