Since President Trump took office just under two years ago, the Affordable Care Act (ACA) has been the center of debate and, more often, confusion. Though the proposed repeals and modifications to the American health care system have died down in recent months, health care is still a hot-button issue in this year's midterm elections.

Here's a look at where the ACA stands leading up to midterm elections, and how the polarizing issue is affecting both Republican and Democrat candidates.

Republicans: The push for further repeal

Even though the Republican-controlled Congress failed to completely repeal the ACA in 2017, the GOP hasn't given up. Many Republican candidates, led by President Trump, are continuing to push for an ACA repeal, including protections for people with pre-existing conditions, and are highlighting rising premiums as proof of the ACA's failure.