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Description Glaucoma is a group of diseases that damage the eye’s optic nerve. It is often associated with a build-up of pressure inside the eye. Glaucoma tends to be inherited and may not show up until later in life. The increased pressu...
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Description Epilepsy is a brain disorder in which a person has repeated seizures (convulsions) over time. It is a sudden surge of electrical activity in the brain. Epilepsy means the same thing as "seizure disorders". Seizures are episodes of...
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Description Diabetes is a disorder of metabolism, which is the way the body uses digested food for growth and energy. Most of the food people eat is broken down into glucose, the form of sugar in the blood. Glucose is the main source of fue...
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Description Crohn's disease is an inflammatory bowel disease (IBD). It causes inflammation of the lining of your digestive tract, which can lead to abdominal pain, severe diarrhoea, fatigue, weight loss and malnutrition. Inflammation caused...
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Description Heart disease is a result of plaque build-up in your coronary arteries, a condition called atherosclerosis, that leads to blockages. The arteries, which start out smooth and elastic, become narrow and rigid, restricting blood fl...
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Description COPD is a lung disease that makes it hard to breathe. It is caused by damage to the lungs over many years and is a progressive disease that gets worse over time. It includes chronic bronchitis and emphysema. COPD is a conditio...
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Description Heart failure, sometimes known as congestive heart failure, occurs when your heart muscle doesn't pump blood as well as it should. Certain conditions, such as narrowed arteries in your heart (coronary artery disease) or high blood...
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Description Heart rhythm problems occur when the electrical impulses that coordinate your heartbeat do not work properly, causing your heart to beat too fast, too slow or irregularly. Heart arrhythmias may feel like a fluttering or racing h...
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Description Cardiomyopathy is a condition where the heart muscle is abnormal. The main types of cardiomyopathy include dilated, hypertrophic and restrictive cardiomyopathy. Cardiomyopathy makes it harder for your heart to pump and deliver blo...
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Description Bronchiectasis is a condition where the bronchial tubes of your lungs are permanently damaged, widened, enlarged and thickened. These damaged air passages allow bacteria and mucus to build up in your lungs. This results in frequen...