The Affordable Care Act does far more than allow millions of people to get health insurance through exchanges or Medicaid expansion. And most importantly for many folks, Obamacare prevents insurers from turning away or charging more to those with pre-existing conditions. The decision , which is expected to be appealed, doesn't immediately affect Americans' coverage. The Affordable Care Act requires insurers to cover people with pre-existing conditions and banned them from charging the sick more. Nearly 12 million Americans gained coverage under this provision as of 2016, the most recent figures available.

Source: CNN December 15, 2018 22:54 UTC