Scientists have discovered that the body clock plays an important role in body fat. Their findings are helping develop new ways of treating obesity and the fatal diseases linked to being overweight.
Four year old Joe Hiller, who has a rare inherited disease, has become the first person in the world to participate in a new trial which could alter the lives of fellow sufferers.
David Ray, Professor of Medicine and Endocrinology and Consultant at Manchester Royal Infirmary, was one of a number of researchers feature in a BBC special about the circadian rhythm.
The first and only treatment designed for children and adults with the rare genetic condition, Morquio A syndrome, has now been approved for use in the European Union.