A technique using flashing light may help to reduce jet lag.

Flashing lights at night head off jet lag by resetting body clock, study finds

Light therapy fools the brain into thinking the day is longer while you get to sleep, study shows. Also in the news: poor physical fitness in middle age may be linked to smaller brain size 20 years later, and why whole grains are so good

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A technique using flashing light may help to reduce jet lag.
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