'Jelly' that could renew damaged knee joints
An injection of jelly could help treat worn-out joints. Scientists hope the jab, using jelly found in donated umbilical cords, will stimulate the growth of cushioning cartilage once injected into the knees of patients with osteoarthritis. Tests on animals suggest the jelly — called Wharton’s jelly — can potentially reverse damage to joints caused by the condition. A trial of 12 patients will test its effect in humans. Around nine million people in the UK have osteoarthritis, where cartilage breaks down, meaning bones rub together, causing inflammation and pain. The main cause is ageing,...