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- Circulatory system
The heart, blood and blood vessels work together to service the cells of the body.
- Coronary angiogram
A coronary angiogram is the most accurate diagnostic test for a range of heart problems, including coronary heart disease.
- Eyes - giant cell arteritis
Giant cell arteritis is inflammation of the arteries that can cause sudden blindness in one or both eyes.
- Heart disease - know your risk
Risk factors for heart disease include smoking, diabetes, obesity, family history and age.
- Heart disease and stroke
Although blocked blood vessels can cause both coronary heart disease and some types of stroke, stroke is not the same as heart disease.
- Heart explained
The heart is about the size of a clenched fist and lies in the middle of your chest, behind and slightly to the left of your breastbone.
- Smoking and eye disease
Smoking is thought to be a factor in age-related macular degeneration and blindness.
- Blood pressure (high) - hypertension
Hypertension, or high blood pressure, can increase your risk of heart attack, kidney failure and stroke.
- Heart conditions - angina
Angina attacks can be prompted by exertion or physical exercise, when the hard-working heart muscle requires greater amounts of oxygen.
- Smoking and heart disease
A smoker's excess risk of heart attack reduces rapidly after only one year of not smoking.