Parkinson’s disease affected Willie Brezell's life for a decade. Today, he's more active than ever. How cycling has changed his life, and why he says it's his miracle. More: http://on.nbcdfw.com/GjSP1JU | NBC DFW

23K views · 136 reactions | Imagine being constantly hungry and unable to ever satisfy your appetite - it’s one of the symptoms of a rare genetic disease affecting around 1500 Australians. One of them is 20-year-old Cooper, the son of ex-AFL player David Rhys-Jones, and together they're part of a new campaign to find a cure. #9News | 9 News Melbourne | Facebook