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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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People about to have surgery must tell their health care providers about all supplements they take.
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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.