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Did you know?
There are 60,000 miles of blood vessels in every adult human.
Did you know?
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
Did you know?
Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
There are more bacteria in your mouth than there are people in the world.