Research reveals 'ticking DNA clock' behind fatal disease
www.abc.net.au
About 2,000 people in Australia are affected by Huntington's disease, a fatal and incurable condition that affects the nervous system that results in the death of brain cells.

The genetic disorder is incurable but it is not uncommon for sufferers to reach middle-age before the physical symptoms — loss of motor skills and bodily functions, mental decline, emotional changes and depression — begin to manifest.