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Slides were cut for each biopsy in 5 m sections, and stained with hematoxylin and eosin to confirm menstrual cycle phase using the Noyes criteria 43

Researchers often investigate its relationship to sleep regulation, circadian rhythm activity, and neuropeptide interactions within controlled study environments

This mechanical effect complements the central nervous system effects, providing multiple reinforcing signals that reduce total food intake without requiring conscious effort

Vitamin B12 is vital for DNA synthesis and methylation reactions (like DNA methylation), which impact gene expression, cellular function, and overall health