Your body works on an internal clock known as a circadian rhythm. When everything is in working order, the time on your body's clock pretty much lines up with the time on your watch. But when something goes awry — you travel overseas, you're up all night with a new baby, or you get a job on the graveyard shift — those clocks can go out of sync, which can cause a number of problems. A new advance in medical technology may soon let doctors know exactly how out of sync your internal clock is, and all it takes is a couple of blood samples.
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Written by Ashley Hamer October 4, 2018
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