Study: Air in Alexandria, Louisiana, bars 36 times cleaner with smokefree ordinance - The ban on smoking in bars and gaming establishments in Alexandria has made an immediate impact on air quality in those venues, a study released on Wednesday shows.

Research Alert - A study has found that emergency room visits by people experiencing heart attacks in North Carolina have declined by 21 percent since the state's smokefree air law took effect in January 2010.

Preemption Watch - The weekly summary of new U.S. state bills is available on Protect Local Control.