Why the reporting of drug side effects has dropped by a third in a decade - it's the responsibility of GP's and the general public to notifiy through the yellow card system - but it's on the wane - does that mean drug safety is slipping through the net?

Mark Porter finds out how the medical technology that identified why King Richard 111 died could be used to help the rest of us.

And answers a listener's question about so called 'chemo brain'. Does chemotherapy really effect memory and the ability to concentrate? Plus a family history of cancer - is it always as worrying as it sounds?