Motor Neurone Disease (MND) is the name given to a progressive disease affecting the body's motor neurones (specialised nerve cells that control the muscles) in the brain and spinal cord. Because MND attacks the nerve cells that control muscles, the symptoms are weakness and wasting of muscles. It progresses differently in each sufferer, some people are affected in their limb muscles leading to paralysis, while other people develop weakness and wasting in the muscles of the face and throat, leading to slurred speech and difficulties with chewing and swallowing. MND does not affect the intellect.

Many theories have been proposed as to what causes MND, including viral infection, environmental poisons, metabolic disturbance and genetic defects. There are estimated to be approximately 250 people with MND in Ireland, most of them are adults. Many of the symptoms and subsequent problems can be alleviated through medical intervention and treatment from physiotherapists, occupational therapists, speech therapists and dieticians.

The Irish Motor Neurone Disease Association provides support for people with MND, their families and friends through home visits, financial assistance for home nursing and the supply of specialised equipment.