Ailments of unknown cause in all BBC programmes
Dr Mark Porter finds out about the latest research into Alzheimer's Disease.
Dr Mark Porter looks at Irritable Bowel Syndrome and how it is best treated.
Mark Porter joins Dr Esther Crawley to look at teenage cases of ME.
Dr Mark Porter investigates health issues of the day.
Mark Porter investigates the latest advances in the understanding of Parkinson's disease.
Dr Mark Porter explores the science behind the dramatic cut in the number of cot deaths.