This process is driven by disrupted GSH homeostasis, resulting from diminished GSH synthesis and impaired activity of two critical antioxidant systems: (1) the cystine/glutamate antiporter xCT, which imports cystine to fuel GSH production and (2) GPX4, which utilizes GSH to convert lipid peroxides into less toxic lipid alcohols (Yang et al., 2014)
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Sleep, stress, energy and confidence may all shift at the same time
The answer, he says, is yes. The new results represent an undeniable setback, says Paul Edison, a neuroscientist at Imperial College London who was not part of the work
This decline doesnt happen all at once, but slowly, often unnoticed at first