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Melatonin plays a crucial role in regulating the sleep-wake cycle, with its production naturally declining with age, correlating with a decrease in sleep quality among older adults, suggesting a potential therapeutic role in treating sleep disorders through supplementation

Maximum tolerable dose and low-dose metronomic chemotherapy have opposite effects on the mobilization and viability of circulating endothelial progenitor cells

doi: 10.3389/fmicb.2019.02259

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