Nancy Shute

If Senate Republicans vote to repeal and replace the Affordable Care Act this week, it would affect the health care of pretty much every American.

Here's a recap of four key flash points in the health overhaul debate with links to NPR coverage over the past six months, and our chart laying out how the Graham-Cassidy bill under consideration in the Senate addresses those issues compared with the Affordable Care Act.

More than half of people say they've suffered lower back pain in the past year, according to the latest NPR-Truven Health Analytics Health Poll.

That's not a surprise; low back pain is very common, and one of the biggest reasons that people seek medical care. But people told us that they're making very different choices in how they treat that pain, with some stark differences among age groups and income levels.