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Chronobiology is a field that studies the biological rhythms and temporal organization of the human body. PHOTO : iStock

Puberty, menopause, old age: how does the human body become aware of time and the passing years? What tells him that now is the time for certain things to activate and transform on a biological level? Biology teacher Jade-Anaïs Généreux-Gamache responded to a listener who wondered how the body measures time.

In this column, our specialist speaks in particular of the internal clock, which allows us to situate ourselves in a day and the importance of light for our body to synchronize with its environment.