Mark investigates reports that the UK faces an epidemic of "mutant flu".
Just a month after NICE calls for more weight loss operations to be done, there are proposals to slash the amount hospitals are paid to do the procedures - a move that could see many hospitals stop offering the operation.
Six packs and big guns - there is growing concern about steroid abuse by young men on a quest for the perfect body.
And Dry January - Mark looks at the science behind going on the wagon for a month.
Available Podcasts from Inside Health
We are not the BBC, we only list available podcasts. To find out more about the programme including episodes available on BBC iPlayer, go to the Inside Health webpage.