As Republicans prepare to take over the White House and both houses of Congress next month, they've got President Barack Obama's signature legislation squarely in their sights.
Some GOP leaders say they want to repeal the 2010 Affordable Care Act as soon as possible and figure out how to replace it later. Others say they may want to move more cautiously, changing certain aspects while keeping others. What's clear is that big changes are in the works — even as the majority of Americans say they'd like to keep most of what the law offers.
Here are five important things to know about Obamacare.