The Neuroscience of Being Human
The Neuroscience of Sunlight
The role of light in serotonin synthesis, vitamin D production, circadian regulation of mood and energy, and why artificial lighting is not a substitute
1,433-word article with 8 Harvard references.
Premium article
Sunlight is not merely pleasant. It is a biological input that the brain requires for serotonin synthesis, circadian entrainment, vitamin D production, and the regulation of mood, sleep, and cognitive function. When light exposure is inadequate, these systems falter, and the consequences are visible in depression rates, sleep disorders, and the seasonal mood changes that affect millions. This fully referenced article explores what sunlight does inside the brain, how much is needed, and why the modern indoor life is an uncontrolled experiment in light deprivation.
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- Full 1,433-word article with 8 Harvard references
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