Obamacare is about to collide with the U.S. tax-filing season, adding frustration for millions of taxpayers trying to figure out how to comply and how much they will owe the government.

When Dennie Wright went to sign up for Affordable Care Act insurance last year, it wasn't a hard decision.

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.