Some studies find an increased MND risk for rugby players, others show the risk is equally high for others. The only way forward is more research Some studies find an increased MND risk for rugby players, others show the risk is equally high for others. The only way forward is more research Lewis Moody, 47, is the latest in a long line of players who has been diagnosed with a neurodegenerative disease that may or may not be linked to his career in collision sport. Over the past decade I’ve