When you can't make medical decisions for yourself, it's often the responsibility of a loved one, or sometimes a doctor who doesn't know you at all. 

Some researchers are suggesting artificial intelligence could be trained to know your wishes and be another voice in the room when making decisions. 

Also, it can take up to 95 per cent vaccine coverage to protect against measles outbreaks. How's Australia doing?

And curing cancer can take a toll. Is there a way to adjust treatment protocols to drive down the risk of long-term side effects?