The heart pumps blood through our circulatory system. Coronary heart disease, cardiac arrest, infection and congenital or inherited genetic disorders can damage the heart. Lifestyle changes can help prevent heart disease.
Topic: Introduction to the heart
The heart is shaped a little like an upside-down pear and is about the size of a clenched fist.
If in doubt about the cause of your chest pain, call an ambulance.
Heart attack is an emergency. If you have warning signs of heart attack, get help fast. Call triple zero (000) and ask for an ambulance.
Risk factors for heart disease include smoking, diabetes, obesity, family history and age.
A diet low in saturated fats and high in fibre and plant foods can substantially reduce your risk of developing heart disease.
Scientists are trying to understand why some people have a heart attack or heart disease, even though they don't have a 'high' cholesterol level or blood pressure.