Tilting the scales

We know that in the 5-10% of cases where there is a strong family history of MND, there is likely to be a genetic cause at work, acting like a weight to push the scales in favour of the disease occurring.  These gene mutations are hidden somewhere within the 15 billion or so letters of DNA that make up our genome and, through collecting samples from extended families affected by the disease, coupled with huge advances in gene-hunting technology, researchers have managed to identify over two-thirds of the causes of hereditary MND in recent years and are hot on the heels of the other causes.

scales

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