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Most of the
people killed by smoking die of cardiovascular disease and related
problems.
Smokers are
two to four times more likely than non-smokers to get coronary heart
disease (CHD) and are 70% more likely to die from it.
Of the 500,000
CHD deaths each year, about 30-40% are linked to smoking.
In ex-smokers,
the excess risk for both stroke and CHD declines to that of never-smokers
within 5 to 10 years.
There are about
37,000 CHD deaths each year among non-smokers who are exposed to
secondhand smoke. This accounts for about 70% of the 53,000 annual
deaths that are attributed to passive smoking.
Smoking reduces
the effectiveness of medical treatments for hypertension, as well
as that of the beta blocker class of pharmaceuticals.
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