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Solar Endocrinology

Meaning

Solar Endocrinology is a specialized branch of endocrinology that investigates the profound and direct influence of solar radiation, particularly the visible and non-visible light spectrum, on the synthesis, secretion, and systemic regulation of human hormones. This field extends beyond Vitamin D production to encompass the light-mediated control of the circadian rhythm, which in turn governs the pulsatile release of cortisol, melatonin, and sex steroids. It posits that the environmental light cycle is a primary, evolutionarily conserved input that orchestrates the entire endocrine orchestra. Clinically, it informs light-based protocols for hormonal optimization.