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Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Did you know?
The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.