Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
SHEEP HEART
HEART
heart
Open heart surgery
The heart: (a) coronary arteries and veins
Venous return to the heart and blood flow to the lungs.