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This enabled commercial use even without full drug approval

Astrocytes are also a main source of cholesterol, facilitate iron transport, and directly provide oligodendrocytes with metabolic support ( via gap junctions) in the adult CNS, all contributing to the processes needed to synthesize myelin (Jurevics and Morell, 2002

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Unhealthy Lifestyle: Poor diet, lack of exercise, smoking, excessive alcohol consumption, and exposure to environmental toxins can all contribute to reduced glutathione levels