Dr Mark Porter reports on NHS 111 - the new 24 hour urgent care number designed for the public to access urgent medical care. It was meant to go live across the whole of England this week but has been plagued by problems.

And Inside Health's resident sceptic Margaret McCartney turns her beady eye to the latest fashion in the diet industry - fasting and so called 2 day diets. Popular - but what about the evidence?

And obesity and cancer - there's growing understanding that being overweight is an important risk factor for a number of common cancers, but the relationship is never realy explained - Mark Porter turns his attention to one of the factors that might explain the link.