Smoking ban heart gains ‘massive’
Source: news.bbc.co.uk Author: staff Bans on smoking in public places have had a bigger impact on preventing heart attacks than ever expected, data shows. Smoking bans cut the number of heart attacks in Europe and North America by up to a third, two studies report. This "heart gain" is far greater than both originally anticipated and the 10% figure recently quoted by England's Department of Health. The studies appear in two leading journals - Circulation and the Journal of the American College of Cardiology. Heart attacks in the UK alone affect an estimated 275,000 people and kill 146,000 each year. Big impact Earlier this month it was announced that heart attack rates fell by about 10% in England in the year after the ban on smoking in public places was introduced in July 2007 - which is more than originally anticipated. But the latest work, based on the results of numerous different studies collectively involving millions of people, indicated that smoking bans have reduced heart attack rates by as much as 26% per year. Second-hand smoke is thought to increase the chances of a heart attack by making the blood more prone to clotting, reducing levels of beneficial "good" cholesterol, and raising the risk of dangerous heart rhythms. Dr James Lightwood, of the University of California at San Francisco, led the Circulation study that pooled together 13 separate analyses. His team found that heart attack rates across Europe and North America started to drop immediately following implementation of anti-smoking laws, [...]