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body clock study

Study links body clock to mood disorders

PARIS: Messing with the natural rhythm of one's internal clock may boost the risk of developing mood problems ranging from garden-variety loneliness to severe depression and bipolar disorder, researchers said Wednesday. The largest study of its kind, involving more than 91,000 people, also linked interference with the body's "circadian rhythm" to a decline in cognitive functions such as memory and attention span. The brain's hard-wired circadian timekeeper governs day-night cycles,¬†influencing sleep patterns, the…