A scientist carbon dated his own kidney stone to better understand the mysterious, and painful, formations.  How a new approach could curb the biggest killer of young people.  The Ebola vaccine is put to the test. And diabetes drugs now available for weight loss prescriptions in Australia. 

You hear a lot about the dangers of concussion in sport, but maybe sport can actually mitigate the harms of concussion. We navigate the link between tablet use in children and angry outbursts.  How erectile dysfunction and other issues below the belt can be indicators of problems above the...