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Health officials extended a smoke advisory of unhealthful air quality to 10 p.m.

They appear to work on other unhealthful dependencies such as narcotic and alcohol addiction, and possibly even on Alzheimer’s.

The grades are based on the number of days a county’s air reaches unhealthful levels when measuring ozone and particle pollution.

As he grew up, Vance learned just how unhealthful his diet had been.

In Los Angeles County, however, residents should avoid the water at certain coastal locations because the bacterial levels reached unhealthful levels when last tested, according to an L.A.