"The general state of your health, family history, and surrounding environment can all provide clues. If you study them carefully you may well get early warning signs about the race against your biological clock."
「身體狀況、家族史和周邊環境，都足以提供相關資訊，只要仔細觀察，就有機會掌握『和生理時鐘賽跑』的先機。」