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Hospital bills are a headache for millions of Americans. We look at the industry behind it.

Just about everyone struggles with debt, and for millions of Americans that struggle comes from a trip to the hospital. You might want to blame the hospitals for making their patients trade one ailment for another but it's not what you think. Hospitals are required to collect payment by law. Hospitals have resorted to selling a patient's debt to collection agencies in order to get paid. Kelley Weiss from the California Report takes a look at the industry behind medical debt. This was produced in collaboration with the California HealthCare Foundation Center for Health Reporting.