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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
Did you know?
Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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The familiar sounds of your heart are made by the heart's valves as they open and close.