Glossary

Insomnia

Insomnia comes from the Latin word, which means "no sleep" or the inability to sleep (in "no" and sinus "sleep"). It is the most well known type of sleep disorder that people experience.

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Interferons

Interferons are naturally occurring proteins that are produced by the immune system. They direct the immune system's attack on viruses, bacteria, tumours and other foreign substances that may invade the body.

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Irritable bowel syndrome

Irritable bowel syndrome (IBS) is a chronic functional disorder that affects the digestive system. It causes abdominal pain, diarrhoea and constipation. There is no cure, but most people can learn to control and live with their irritable bowel.

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IVF

In Vitro Fertilisation (IVF) is a process that occurs outside the biological body.

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