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Global study shows all tobacco bad for the heart

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"Chewing tobacco also increased the risk of a heart attack two fold, indicating that all forms of tobacco use or exposure are harmful," said Dr. Koon Teo.

Dr. Yusuf said: "Since the risks of heart attack associated with smoking dissipate substantially after smoking cessation, public-health efforts to prevent people from starting the habit, and promote quitting in current smokers, will have a large impact in prevention of heart attack worldwide."

The number of smokers worldwide is currently estimated to be 1.3 billion, of which 82% are in developing countries. However, most large studies on smoking and heart disease to date have focused on developed countries.

"Smoking is the leading preventable cause of death, killing 47,000 Canadians each year through direct smoking and exposure to second-hand smoke," said Rocco Rossi, CEO, Heart and Stroke Foundation of Ontario. "We have been a successful advocate for a smoke free Ontario and have achieved one of the strongest pieces of anti-tobacco legislation in North America. This study provides more evidence why it's critical for everyone to become and remain smoke free, and will encourage governments to take effective action to protect their people from the dangers of tobacco."

"People around the world should pay attention to the message that it's never too late to quit. This is an important study documenting the powerful and persistent dangers of tobacco use worldwide," said Dr. Peter Liu, scientific director for CIHR's Institute of Circulatory and Respiratory Health (ICRH). "Canadians can be proud that we lead the world in efforts to prevent and reverse the trend in smoking. But we cannot rest on our laurels, and must do better still to protect our citizens."

"Data like this bolsters anti-smoking efforts worldwide," said Dr. Jennifer Everson, a family physician and vice president, medical at Hamilton Health Sciences. "It's important, additional evidence that we can sh
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Source:McMaster University


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