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Psychiatric patients less violent when smoking restricted
jerry submitted, created time 4 months 1 week (www.bmj.com)
Violence and aggressive incidents were cut by almost half when a smoking ban was introduced at one English acute psychiatric hospital.
In data yet to be published, but seen by the BMJ, investigators at Harplands Hospital in North Staffordshire examined all recorded episodes of violence and aggression that staff experienced. They compared all incidents a year before the introduction of a smoke-free hospital policy in April 2006 with those in the year after 
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