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Did you know?
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.
Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.
Did you know?
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.