11 July: Tackling obesity | Standards on how to handle sepsis | The right amount of Vitamin D

In 2009 Australia launched a National Preventive Health Strategy with the aim of being the healthiest country in the world by 2020—where we're at with it now.The Australian Commission on Safety and Quality in Healthcare has created a national clinical care standard for diagnosis and treatment.Many people are told to take a vitamin D supplement, especially in winter when there's less sunshine, but you can have too much of it.