An excellent exploration of the relationship between time and human biological processes, offering numerous examples of seemingly miraculous timing mechanisms in the human body. This unique approach to human biology provides clear scientific explanations for such questions as: ''How does the heart keep time? What governs growth cycles, reproductive cycles, the aging process, and the healing process? How do seasons affect our moods?'' While the book is full of hard scientific facts, readers will enjoy its lively, engaging style.
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