article_snippet: Meanwhile in the US, around 375,000 people die each year from coronary heart disease.
article_snippet: Half of the most pessimistic patients who smoked were still smoking one year after going into hospital.
article_snippet: In contrast, 85 per cent of the optimistic smokers had quit the optimistic smokers habit entirely, a year on.
article_snippet: Smoking has long been known to be a major risk factor for heart attack and angina, with an estimated 22,000 deaths each year from cardiovascular disease linked to smoking.
article_snippet: The research comes ahead of No Smoking Day next Wednesday, when the British Heart Foundation will call on smokers to quit for good.