A heart disease includes any disorder that affects the way that the heart normally functions. Heart diseases have many causes, some of these include smoking, high blood pressure, high cholesterol and physical inactivity. Although there have been dramatic improvements in the treatment and prevention of heart diseases the numbers of sufferers and deaths of heart disease are still increasing each year. Heart disease is the number one killer in Australia causing over 50% of the total deaths each year.
Smoking is one of the most common causes that lead to heart disease.
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