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Quitting smoking reduces risk of death from coronary heart disease by more than a third
December 16, 2003Research news from The Cochrane Library
New evidence from The Cochrane Library indicates a 36% reduction in the risk of death for sufferers of coronary heart disease (CHD), simply by quitting smoking. Smoking is a proven contributor to death from CHD; 40% of heart disease cases in the UK are attributable to smoking. A number of studies have shown that quitting smoking decreases the risk of death for people with CHD, though the amount of the reduction and the time it takes to see the benefits have varied.
The new study, carried out by members of the Cochrane Heart Group, incorporated results from over 12,000 smokers with CHD, 5,659 of whom quit smoking. Participants were followed for between 2 to 26 years and mortality rates were assessed. The amount of risk reduction did not seem to increase with longer follow-up, suggesting that reduction may occur within a couple of years of quitting. The results did not indicate that age, gender, country of origin, type or severity of CHD affected the level of risk reduction.
The significant reduction in risk of death observed after quitting smoking is comparable, or possibly greater than some other preventative measures, such as cholesterol and blood pressure lowering.
" The results are clear and consistent," says Dr Julia Critchley, an author of the review, "All patients seem to benefit from smoking cessation. Doctors should give more priority to helping patients quit."
John Wiley & Sons
Heart Disease Current Events and Heart Disease News RSSCardiovascular disease causing increasing inequity between rich and poor
A new paper released today by The George Institute for International Health is warning a cardiovascular disease based epidemic is gaining pace among many low- and middle-income countries (LMIC), exemplified at its worst in the world's largest populated countries - China and India.
Fruit fly research may lead to better understanding of human heart disease
Researchers at the Burnham Institute for Medical Research (Burnham) have shown in both fruit flies and humans that genes involved in embryonic heart development are also integral to adult heart function. The study, led by Rolf Bodmer, Ph.D., was published in Proceedings of National Academy of Sciences.
Presence of gum disease may help dentists and physicians identify risk for cardiovascular disease
Individuals reporting a history of periodontal disease were more likely to have increased levels of inflammation, a risk factor for heart disease, compared to those who reported no history of periodontal disease.
Estrogen therapy could be dangerous for women with existing heart risk
Hormone therapy could accentuate certain pre-existing heart disease risk factors and a heart health evaluation should become the norm when considering estrogen replacement, new research suggests.
Researchers identify how binge drinking may drive heart disease
As the holidays arrive, a group of researchers has identified the precise mechanisms by which binge drinking contributes to clogs in arteries that lead to heart attack and stroke, according to a study published today in the journal Atherosclerosis.
Why women should eat less, move more and consider wearing transdermal HRT patches during menopause
Weight and appetite experts from around the world met at a conference in Bangkok earlier this year to discuss sex differences in obesity. One line of discussion looked at factors leading to women's weight gain during menopause, and how it might be avoided.
Mechanisms of cardiovascular disease and cancer give clues to new therapies
Cardiovascular conditions leading to heart attacks and strokes are treated quite separately from common cancers of the prostate, breast or lung, but now turn out to involve some of the same critical mechanisms at the molecular level.
Scientists discover 21st century plague
Bacteria that can cause serious heart disease in humans are being spread by rat fleas, sparking concern that the infections could become a bigger problem in humans.
MU study reveals effective anti-tobacco ads should either scare or disgust viewers
Now's the perfect time to increase anti-smoking campaigns - Nov. 20 is the American Cancer Society's Great American Smokeout.
Red, red wine: How it fights Alzheimer's
Scientists call it the "French paradox" - a society that, despite consuming food high in cholesterol and saturated fats, has long had low death rates from heart disease.
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