Overdose deaths in the U.S. from highly addictive opioid painkillers rose more sharply among women than men in the past decade, according to a government study released Tuesday.

Prescription pain pills, such as oxycodone or hydrocodone, were involved in 6,631 overdose deaths, intentional and unintentional, among women in 2010, a 415% increase from the 1,287 such deaths in 1999, according to the Centers for Disease Control and Prevention.

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