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Monthly cycles: Some protocols run 4-6 weeks on, then take breaks
26 Other possible mechanisms include improvements in mitochondrial function and a reduction of glutamate, an excitatory neurotransmitter, which is also a precursor to GSH
the nicotine paradox of acute attention and working-memory enhancement via 42 and 7 nicotinic acetylcholine receptors versus tolerance, dependence and withdrawal-related deficits
10.1038/s41591-019-0375-9 80 Moreno-JimnezE
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