(SACRAMENTO BEE) — Heroin, a drug most often associated with the gritty back alleys of big cities, is making a surprising surge in suburban, affluent Placer County.

Over the fiscal year that ended in July 2011, 171 people, or nearly 14 percent of patients in the county’s drug treatment clinics, said they were addicted to heroin, up from 8.5 percent the previous year.

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