The lead researcher Clifford Saper explains: the neat thing about this second clock is that it can override the main clock... and you should just flip into that new time zone in one day.

这项研究的首席研究员Clifford Saper解释说：第二时钟最妙的地方就在于它可以覆盖我们的主时钟，也就是说你应该可以在一天之内将你的生物钟调整到一个新的时区。

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Dr Joel Saper, Founder of the Michigan Headache and Neurological Institute says using oxygen also helps to avoid overuse of other medications.

VOA: standard.2009.12.17

"For years, patients would say they got a migraine because they ate chocolate or pizza or a hot dog, " says Dr. Saper.

WSJ: Stopping a Migraine Before It Starts

For example, "Many people tell us that they vomit yesterday's food, " says Joel Saper, director of the Michigan Head-Pain and Neurological Institute in Ann Arbor.

WSJ: Stopping a Migraine Before It Starts