Lifestyle

Looking for answers in the circadian rhythm

Long before Apple watches, grandfather clocks or even sundials, nature provided living things with a way to tell time.

Life evolved on a rotating world that delivered alternating light and darkness on a 24-hour cycle. Over time, cellular chemistry tuned itself to that rhythm. Today, circadian rhythms — governed by a master timekeeper in the brain — guide sleeping schedules and mealtimes and influence everything from diet to depression to the risk of cancer. While an Apple watch can monitor a few vital functions such as your heart rate, your body’s natural clock controls or affects nearly all of them.

Source:

theweek.com

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