Addiction

Researchers study impact of smoking ban in homeless shelter

Instituting a partial smoking ban at a homeless shelter can lead to a reduction in expired carbon monoxide levels, an indicator of exposure to cigarette smoke, and may have positive effects on shelter residents' health, according ...

Diseases, Conditions, Syndromes

New virus timeline: California had 2 deaths weeks earlier

Two people with the coronavirus died in California as much as three weeks before the U.S. reported its first death from the disease in late February—a gap that a top health official said Wednesday may have led to delays ...

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