Better Muscle Mitochondrial Function Correlates with Slower Brain Aging

Source https://www.fightaging.org/archives/2025/01/better-muscle-mitochondrial-function-correlates-with-slower-brain-aging/

Mitochondria are the power plants of the cell, producing chemical energy store molecules used to power cell activities. Energy hungry tissues such as muscle and brain are particularly sensitive to differences in mitochondrial function. Here, researchers show in a human study population that better mitochondrial function in muscle tissue correlates with slower aging in many areas of the brain. Interestingly, this relationship occurs regardless of physical fitness, though it is true that any given individual can be expected to achieve better mitochondrial function through attaining a greater degree of physical fitness. Physical fitness is beneficial in many ways, but it is the improvement in mitochondrial function resulting from greater physical fitness that drives the relationship with brain aging noted here, not the fitness per se.

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