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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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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.
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The familiar sounds of your heart are made by the heart's valves as they open and close.