Widespread drastic reduction of brain myelin content upon prolonged endurance exercise
Pedro Ramos-Cabrer,
Alberto Cabrera-Zubizarreta,
Daniel Padró
et al.
Abstract:Recent evidence suggests that myelin lipids may act as glial energy reserves when glucose is lacking, a hypothesis yet to be solidly proven. Hereby, we examined the effects of running a marathon on the myelin content by MRI. Our findings show that marathon runners undergo widespread robust myelin decrease at completion of the effort. This reduction involves white and gray matter, and includes primary motor and sensory cortical areas and pathways, as well as the entire corpus callosum and internal capsule. Nota… Show more
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