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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.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.