MONDAY, July 28 (HealthDay News) -- Researchers have discovered a soaring increase in the number of fatal medication errors that occur in people's homes.

The report incidentally follows the death earlier this year of Heath Ledger, the 28-year-old actor who died from an accidental overdose of prescription drugs in his apartment in New York City.

Federal investigators have cleared two doctors in California and Texas of any wrongdoing in the death of actor Heath Ledger.

The Drug Enforcement Agency interviewed the doctors earlier this week about prescriptions found in Ledger’s apartment and determined they did not prescribe him the two most powerful drugs – Oxycontin and Vicodin, the New York Post reports. The doctors did meet with Ledger but prescribed him other medications, according to investigators.

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