Know your exercise zones to prevent skeletal and neurodegeneration (dementia, Alzheimer’s, Parkinson’s). Building mitochondrial density is a process that occurs simultaneously in the musculoskeletal system and the central nervous system. Zone 2, defined by accurate testing can establish the base for mitochondrial efficiency and density while the upper zones can further improve your fitness and VO2 max. Both models of fitness are necessary (along with flexibility, strength and stability). But the

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