Melatonin and Circadian rhythm regulation. Brain with pineal gland and suprachiasmatic nucleus. sleep-wake cycle. Human anatomy. vector illustration.

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Melatonin and Circadian rhythm regulation. Brain with pineal gland and suprachiasmatic nucleus. sleep-wake cycle. Human anatomy. vector illustration. What does melatonin do?

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Size: 5000px × 3268px
Photo credit: © Tetiana Zhabska / Alamy / Afripics
License: Royalty Free
Model Released: No

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