The prescription rate for medications to treat Attention Deficit Hyperactivity Disorder rose in recent years but was still below what's thought to be the extent of the condition. Organ donation is one of the great miracles of our time, but that's not to say it's easy. To be viable, a heart needs to be transplanted within four or five hours, and this is a huge logistical challenge for a country the size of Australia. The Garvan Institute has studied the combination of genetic profile alongside family history of people with cancers called sarcomas, and found genes to aid early diagnosis.