This ancient clock rules our lives – and determines our health

Oct 10, 2017

A clock hangs above the bench in the courtroom of the U.S. Supreme Court in Washington, U.S. April 4, 2016. REUTERS/Jonathan Ernst SEARCH "SCOTUS" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES.

Our biological clocks help time our sleep patterns, alertness, mood, physical strength, blood pressure and much more. Image: REUTERS/Jonathan Ernst

Russell Foster

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