Researchers have found a nearly 20% decline in "catastrophic" healthcare expenditures.<br />The extraordinary decline has been linked to the Affordable Care Act, also known as "Obamacare".<br />Researchers found that an estimated 11.2 million Americans experienced "catastrophic" healthcare expenditures in 2017.<br />That number is down from 13.6 million in 2010, researchers reported.<br />Researchers defined catastrophic health expenditures as out-of-pocket costs that exceed 40% of your income.<br />The ACA was signed into law in 2010 and fully in effect by 2014.