The microbes living in a person’s gut may signal their risk of developing Parkinson’s disease before any symptoms appear, a new study has found. ADVERTISEMENT ADVERTISEMENT Researchers from University College London (UCL) found that people with the disease, as well as those who are genetically predisposed to it, carry distinctive patterns of gut bacteria. “In recent years, there has been a growing recognition of the links between Parkinson’s disease – a brain disorder – and gut health,” said