生物钟学

宾夕法尼亚大学佩雷尔曼医学院（UniversityofPennsylvania'sPerelmanSchoolofMedicine）精神病学部睡眠与生物钟学分部（DivisionofSleepandChronobiologyintheDepartmentofPsychiatry）主管、睡眠专家戴维·丁格斯（DavidDinges）引发了人们对这个话题的争论。

One expert , David Dinges , chief of the Division of Sleep and Chronobiology in the Department of Psychiatry at the University of Pennsylvania 's Perelman School of Medicine , awakens the controversy .

“我们了解到的最新情况是，身体的每个细胞都有生物钟。从生理学角度讲，由于基因或新陈代谢的差异，有些人就是更容易受时差影响，”他说。

he said . " What 's new is that we now recognize that we have clocks in every single cell of our bodies and from a physiologic point of view , some people are simply going to be more affected by jet lag because of their genetic or metabolic profile , " he said .