Health A-Z

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Cancer – what is it?

Cancer is when certain cells in the body grow and divide in an uncontrolled way. These cells can invade and destroy surrounding tissues.

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Chronic fatigue syndrome

Chronic fatigue syndrome (CFS) is a complex illness that affects many systems of the body, particularly the nervous and immune systems. People with CFS experience extreme tiredness that doesn't go away with rest and cannot be explained by other more easily detected causes.

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Coeliac disease

Coeliac disease is a permanent autoimmune disorder that causes a reaction to gluten, which is found in wheat, barley, rye and oats. This immune reaction makes part of your gut inflamed and can lead to a range of symptoms and nutritional problems.

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Cold or the flu?

Over the shorter, colder days of winter, it's not uncommon to come down with a cold or the flu. A cold is usually a mild illness but the flu can be serious, so it’s good to know the difference.

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Cold sores

Cold sores are small fluid-filled blisters that appear on the skin, usually on the lips, chin, cheeks, or in the nostrils. Some people have no symptoms from the infection; others develop painful and unsightly cold sores that last for a week or more.

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Concussion

A concussion is a type of mild traumatic brain injury that can occur if you suffer a blow to the head or hit your head after a fall. Concussion results in a short-term loss of normal brain function in response to this head injury.

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Congenital heart disease

Congenital heart disease is the name for heart problems people are born with.

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Constipation

Constipation is when your bowel movements (poos) become hard and lumpy, making them painful or difficult to get out. It is a common problem.

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COPD

COPD (chronic obstructive pulmonary disease) is a term for damage to the lungs (pulmonary = lungs) which makes breathing difficult.

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Cough & cold medicines – adults

Easy-to-read medicine information about cold and cough medicines.

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Croup

Croup is a viral illness in babies and young children that causes a narrowing of the upper airways, often leading to a 'barking' cough (like a seal), hoarse voice and raspy breath.

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High cholesterol

Cholesterol is a type of fat in your blood. Most cholesterol is made by your body, but eating fatty foods can lead to high cholesterol levels. Your arteries may clog up with the fatty cholesterol and which increases your risk of having a heart attack or stroke.

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