The Affordable Care Act opened the door for millions of young adults to stay on their parents’ health insurance until they turn 26.

But there’s a downside to remaining on the family plan.

Chances are that Mom or Dad, as policyholder, will get a notice from the insurer every time the grown-up kid gets medical care, a breach of privacy that many young people may find unwelcome.

With this in mind, in recent years a handful of states have adopted laws or regulations that make it easier for dependents to keep medical communications confidential.

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