Physical activity like running a marathon may do more good than researchers imagined — like potentially informing new ways to treat multiple sclerosis.
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A landmark UTI drug approval, new hope for the amyloid hypothesis in Alzheimer’s disease, a brewing vaccine study controversy, and more led the news this week.
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Myelin may act as a fuel source during marathons
Myelin — the fatty substance that insulates electrical signals in nerve cells — may act as a source of fuel during prolonged physical activity. Brain scans of marathon runners revealed that after a race, myelin was reduced in brain areas responsible for motor coordination and…