How marathons change runners’ brains: scans point to surprise energy source
Nature, Published online: 24 March 2025; doi:10.1038/d41586-025-00864-zAfter the gruelling races, levels of the nerve-cell insulator myelin were lower, suggesting the brain uses the fatty substance as fuel.
Nature, Published online: 24 March 2025; doi:10.1038/d41586-025-00864-zAfter the gruelling races, levels of the nerve-cell insulator myelin were lower, suggesting the brain uses the fatty substance as fuel.
