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What is anthropology? Why are there four subfields in the United States?
Melatonin
A hormone produced by the pineal gland that regulates sleep and wake cycles.
Insomnia
Insomnia is a sleep disorder characterized by difficulty falling asleep, staying asleep, or getting restorative sleep, leading to daytime impairment.
Bright Light
High-intensity illumination often associated with enhanced visibility and sometimes affecting biological processes in organisms.
Islet Cells
Specialized cells found in the pancreas that produce hormones like insulin and glucagon, which regulate blood sugar levels.
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