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Physiological Rhythm

Meaning

A physiological rhythm is a recurring, predictable cyclical change in a biological variable or process within a living organism, which can be daily (circadian), monthly (infradian), or less frequent. These rhythms are generated by endogenous biological clocks and are crucial for coordinating hormone secretion, body temperature, sleep-wake cycles, and metabolic activity with environmental cues. Maintaining synchronization of these rhythms is vital for optimal hormonal health and overall well-being.