According to a Blue Cross Blue Shield Association report, people who enrolled in health insurance through the ACA appear to be sick than expected. People who enrolled in individual health insurance plans after 2014 were less healthy and used more healthcare in 2014 and 2015 than those who were already enrolled in individual plans and those who receive insurance through their employer.

The report isn’t without its shortcomings. It looked only at BCBS plans, not the entire universe of Obamacare insurers. But that’s still a sizable sample. BCBS companies participate in the exchanges more than any other insurer.

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