The majority of people who signed up for Medicare Advantage plans in recent years were switching out of the traditional Medicare program, according to a recent study.

ELI LILLY charges more than $13,000 a month for Cyramza, the newest drug to treat stomach cancer.

Aetna Inc, the third-largest U.S. health insurer, said it negotiated a discount with Gilead Sciences Inc for its hepatitis C treatment and will offer it as the preferred choice to nearly 11 million commercial customers.

California's Obamacare exchange rejected a bid from the nation's largest health insurer to start selling coverage statewide next year.

A retooled, multi-million-dollar marketing effort by the state's health care exchange to persuade more of the state's Latino residents to obtain insurance under the nation's health care law is showing mixed results, according to enrollment data released Thursday.

As enrollment grows from the second year Americans can sign up for private coverage under the Affordable Care Act, health insurance companies are hinting at a 2015 that will also be lucrative to their bottom lines.