Mutant Flu, Weight-Loss Surgery, Young Men and Body Image, CVID, Dental Check-ups, Doctors' Example, Dry January Findings - a podcast by BBC Radio 4

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.

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