Researchers using math to whittle away at jet lag

Published April 10, 2014 9:19pm ET



WASHINGTON (AP) — Lots of apps claim they can help you fight jet lag. Now Michigan researchers say mathematical formulas suggest it’s possible to adjust to new time zones a bit faster than previously thought, and they created their own free app to help.

Doctors have long said exposure to light is key. But how much, and when?

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