|American researchers found that strict laws in workplaces, restaurants and bars have led to dramatic improvements in health.|
Ireland was the first country in Europe to introduce the smoking ban, which came into force in 2004.
The American Heart Association journal, Circulation, analysed 45 studies around the world and reported that heart attack hospital admissions declined by an average of 15% following bans.
Admissions for strokes also fell, by around 16%, while the number of people admitted for respiratory diseases such as asthma and chronic obstructive pulmonary disease (COPD) fell 24%.
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