Heart disease is not usually caused by microorganisms - it is usually caused by:
Heart disease is more common in the UK than in non-industrialised countries, and many other industrialised nations. This is due to lifestyle factors including:
You may wish to view this BBC News item (2006) about research showing that people with heart disease have arteries that are biologically up to 40 years older than they are.
A lack of exercise and a diet that is high in salt and saturated fat cause people to:
These factors contribute to an increased risk of heart disease.
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