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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.
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Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
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Your heart beats over 36 million times a year.
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The horizontal fraction bar was introduced by the Arabs.