As the Nobel Prize for Medicine announced this week recognises stem cell research, Dr Mark Porter asks if it's already making a difference to patients.

And imagine waking up with numbness in your face, by the end of the day with paralysis in your leg, all tests are normal and there's no apparent cause - Margaret McCartney reports from Edinburgh on a burgeoning field of medicine - functional disorders.

Plus an Inside Health listener who has been taking epilepsy treatment for 35 years asks when is it safe to stop taking her medication? And do 'stop-smoking' campaigns really work? Kamran Abbasi looks at the evidence.