The Preclinical and Prodromal ALS session focused on early diagnosis of MND and the use of biomarkers to reveal early signs of the disease. A key approach to this type of research is to use a lot of data, with information collected from people over time. Crucially, this includes information gathered from people before symptoms appeared. This can be a powerful tool when looking for changes. Jesper Storgaard talked about his work using Denmark’s national health registers. He specifically looked...